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Three forcesF1 = (80.90i − 54.63j) N, F2 = (23.50i − 80.52j) N, and F3 = (−104.4i + 361.9j) N are exerted on a particle.
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2. 474 views
How do I find degree when there isn't any number on this question. please explain with step. A projectile is launched up and to
1. 1 answer
2. 533 views
can somebody show me how to find the time s step by step. A golfer hits his approach shot at an angle ofθ = 46.3°, giving the
1. 4 answers
2. 846 views
Two blocks are connected by a rope that passes over a massless and frictionless pulley as shown in the figure below. Given thatm
1. 2 answers
2. 8,591 views
The x and y coordinates of a 3.70-kg particle moving in the xy plane under the influence of a net force F are given byx = t4 −
1. 3 answers
2. 1,916 views
Can somebody shows me how to calculate for part c. the answer key is 1.365h.A jetliner travels with a constant speed of 573.7
1. 1 answer
2. 623 views
A particle with massm = 3.80 kg accelerates according to a = (−2.60i + 1.70j) m/s2. (a) What is the net force acting on the
1. 1 answer
2. 1,230 views
Three forces act on an object withF1 = (6.03i + 11.17j) N and F2 = (2.19i − 13.53j) N. If the net force on the object is zero,
1. 2 answers
2. 2,289 views
A circus performer throws an apple toward a hoop held by a performer on a platform (see figure below). The thrower aims for the
1. 1 answer
2. 5,156 views
A circus performer throws an apple toward a hoop held by a performer on a platform (see figure below). The thrower aims for the
1. 3 answers
2. 797 views
A projectile is launched up and to the right over flat, level ground. Its range is equal to half of its maximum elevation above
1. 2 answers
2. 703 views
A golfer hits his approach shot at an angle ofθ = 52.8°, giving the ball an initial speed of v0 = 37.0 m/s (see figure below).
1. 1 answer
2. 3,892 views
A golfer hits his approach shot at an angle ofθ = 52.8°, giving the ball an initial speed of v0 = 37.0 m/s (see figure below).
1. 1 answer
2. 882 views
Two bicyclists in a sprint race begin from rest and accelerate away from the origin of an xy coordinate system. Miguel's
1. 1 answer
2. 787 views
A jetliner travels with a constant speed of 597.4 km/h relative to the air to a city 780.1 km due south.(a) What is the time
1. 2 answers
2. 1,233 views
Approaching one of the many sharp horizontal turns in the Monaco Grand Prix, an experienced Formula-1 driver slows down from 125
1. 2 answers
2. 2,759 views
A child swings a tennis ball attached to a 0.662-m string in a horizontal circle above his head at a rate of 4.50 rev/s.(a) What
1. 1 answer
2. 1,258 views
An arrow is fired with initial velocity v0 at an angle θ from the top of battlements, a height h above the ground. (Assume θ
1. 1 answer
2. 3,188 views
A circus performer stands on a platform and throws an apple from a height of 49 m above the ground with an initial velocityv0 as
1. 3 answers
2. 2,311 views
A circus performer stands on a platform and throws an apple from a height of 50 m above the ground with an initial velocityv0 as
1. 6 answers
2. 4,594 views
A circus performer throws an apple toward a hoop held by a performer on a platform (see figure below). The thrower aims for the
1. 2 answers
2. 2,254 views
A projectile is launched up and to the right over flat, level ground. Its range is equal to half of its maximum elevation above
1. 1 answer
2. 1,246 views
Three vectors are shown in the figure below, but they are not drawn to scale. The sum of the three vectors is R = F1 + F2 + F3.
1. 6 answers
2. 2,574 views
Three vectors are shown in the figure below, but they are not drawn to scale. The sum of the three vectors isR = F1 + F2 + F3.
1. 1 answer
2. 2,226 views
Consider the vectors A = 15.5i − 39.4j and B = −2.15i + 2.65j − 4.05k. FindR = B − A in component form.
1. 1 answer
2. 411 views
The vectors that are shown in the figure below. The magnitudes are F1 = 1.81f, F2 = f, and F3 = 2.00f, where f is a constant.
1. 2 answers
2. 983 views
he magnitudes are F1 = 1.81f,F2 = f,andF3 = 2.00f,where f is a constant. (a) Use the coordinate system shown in the figure above
1. 1 answer
2. 1,048 views
A firecracker explodes into four equal pieces (see figure below). Given the magnitude and direction of the velocity for each
1. 3 answers
2. 1,902 views
Vector Fis proportional to vector A such that F = mA and m is a scalar.(a) If A = 2.0i + 5.2j and F = 10.0i + 26.0j,what is m?
1. 1 answer
2. 1,095 views
How do I find the magnitude of the displacement between the two points. It start at point(0,2.024) and end at point(19.26,1.210)
1. 1 answer
2. 472 views
What is the magnitude of the displacement between the initial and final points
1. 1 answer
2. 363 views
Vector B has a magnitude of 21.50. Its direction measured counterclockwise from the x axis is 125.0°. Find its vector
1. 2 answers
2. 1,187 views
Three vectors A,B,and C are related to one another such that5A + 6B = 60C. A fourth vector D exists such that 30C + D = A.
1. 1 answer
2. 947 views
Vector A,with a magnitude of 23 units, points in the positive x direction. Adding vector B to vector Ayields a resultant vector
1. 6 answers
2. 2,882 views
Tadeh launches a model rocket straight up from his backyard that takes 6.96 s to reach its maximum altitude. (After launch, the
1. 1 answer
2. 1,569 views
A sounding rocket, launched vertically upward with an initial speed of79.0 m/s, accelerates away from the launch pad at 5.70
1. 1 answer
2. 2,415 views
Crall and Whipple attached a fan to a cart placed on a level track and then released the cart. They made a position-versus-time
1. 1 answer
2. 1,189 views
An electronic line judge camera captures the impact of a57.0-g tennis ball traveling at 32.8 m/s with the side line of a tennis
1. 1 answer
2. 1,952 views
A particle's position is given byz(t) = −(8.10 m/s^2)t^2k for t ≥ 0. (Express your answer in vector form.) (a) Find the
1. 1 answer
2. 747 views
The figure shows the y-position (in blue) of a particle versus time.(a) What is the average velocity of the particle during the
1. 2 answers
2. 5,549 views
A race car travels 950 km around a circular sprint track of radius 1.343 km. How many times did it go around the track?
1. 1 answer
2. 1,264 views
unit of distance used in astronomy is the parsec (pc):1 pc = 3.26 ly. The distance to the Earth's next-nearest star,
1. 1 answer
2. 1,182 views
During a visit to New York City, Lil decides to estimate the height of the Empire State Building (see figure below). She
1. 4 answers
2. 5,094 views
Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C.I forgot the formula
1. 2 answers
2. 1,524 views
An observer watching a fireworks displays sees the light from an explosion and hears the sound 2 seconds later how far was the
1. 1 answer
2. 664 views
what process should a research use to determine the value of classroom management to program participants?
1. 1 answer
2. 450 views
What is the remainder when 2^50 is divided by 7
1. 1 answer
2. 1,899 views
A student starts from A and walks 3km east to B, she then walk 5km on a bearing 152 degree from 13 . She reaches a point c .
1. 2 answers
2. 1,398 views
An ap has 15th and a common difference of -3 find the first and last term. If it. Sum is -120
1. 7 answers
2. 3,115 views
a simple pendulum has a period of 2.0s and an amplitude of swing 5.0cm.calculate the maximum magnitude of the acceleration of
1. 3 answers
2. 1,377 views
he a body is moving in a circular track of radius 100m with a velocity 120m/s.determine the banking angle of the track
1. 0 answers
2. 536 views
two students are picked at random from a group of 8 girls and 6 boys,calculate the probability that the two picked atleast one
1. 1 answer
2. 458 views
y cut a piece of wood into 3 pieces of the same length. after he cuts off 2 feet from one of the pieces, he is left with piece
1. 2 answers
2. 2,474 views
The diagram is formed from 6 identical closed-packed circles. If the height of the figure is 2 feet, find the radius of each
1. 2 answers
2. 664 views
A rotating flywheel of diameter 48.0 cm uniformly accelerates from rest to 240 rad/s in 15.0 s. Find the linear velocity of a
1. 1 answer
2. 910 views
serenity is 13 years old than chase. the sum of their ages is 27. how old are they?
1. 1 answer
2. 317 views
one leg of the right triangle is 10 cm and the hypotenuse is 20 cm longer than the other leg.Find the lenght of the unknown
1. 1 answer
2. 1,623 views
You have 325 mL of an 0.11 M acetic acid solution. What volume (V) of 2.00 M NaOH solution must you add in order to prepare an
1. 1 answer
2. 507 views
hi, need help.. use the atomic weight of carbon and chlorine to determine the theoretical value of the molecular weight of
1. 1 answer
2. 534 views
which liquid evaporates fastest between water , ethanol , nail polish remover and methylated spirits
1. 18 answers
2. 5,344 views
ABC is a triangle inscribed in a circle centre O..angle ACB =40¡ã and line And =xcm.calculate the radius of the circle.
1. 0 answers
2. 670 views
A sample of gas in a balloon has an initial temperature of 9.0∘C and a volume of 1.75×103L . If the temperature changes to
1. 3 answers
2. 816 views
steel train rails are placed end to end with space in between on a day where a temperature is 30 degrees. How much stress will
1. 0 answers
2. 498 views
what air speed and heading would enable a plane to travel [NE] with a ground speed of 275 km/h if there is a wind blowing at 55
1. 1 answer
2. 488 views
a pottery maker can make 24 vases in 8 days. If the pottery maker works 6 hours each day, how long does it take to make 1 vase.
1. 6 answers
2. 1,748 views
Help please...What are some reason for conducting an experiment with two factors?
1. 1 answer
2. 425 views
find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is 20.2% by mass
1. 0 answers
2. 615 views
Conduct an ANOVA comparing participants recall will vary as a function of stresslevels. Conduct an ANOVA comparing participants
1. 0 answers
2. 550 views
Conduct an ANOVA comparing participantsrecall will vary as a function of stress levels. Conduct an ANOVA comparing participants
1. 1 answer
2. 588 views
Determining whether an individual's political affliation affects his or her overall satisfaction with the economy.For this
1. 0 answers
2. 534 views
Suppose you have information that theaverage stress score of students in online activities is 13.15. Using Minitab, compute a
1. 0 answers
2. 585 views
Suppose you have information that the average stress score of students in onlineuniversities is 13.15. The scores are 16, 20,
1. 1 answer
2. 490 views
True or false1)few issues capture the attention of all Americans. 2)Most issues are of little interest to the majority. 1)FALSE
1. 1 answer
2. 399 views
Agarden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m 2 . Draw two
1. 1 answer
2. 545 views
what is the wavelength of the radiation absorbed when an electron move from n=2 to n=5 for a helium +1 ion?
1. 1 answer
2. 379 views
tom bought 3 pieces of bubble gum for 12 cents total, if tom paid with a quarter how much change was left after the purchase
1. 2 answers
2. 513 views
the managers decision was not based on a consideration of fairness it was simply a case -----1 expediency 2 importance 4 trial 5
1. 1 answer
2. 746 views
When naval engagements occur they are carried on at such great---------- that the intervention of mist may obscure the
1. 3 answers
2. 2,209 views
You could not----- the enemy destroyer in the foy1,maroon 2,circumvent 3,overlook 4,discern 5,reveal
1. 1 answer
2. 361 views
You could not----- the enemy destroyer in the foy1,maroon 2,circumvent 3,overlook 4,discern 5,reveal
1. 1 answer
2. 346 views
---------a Treaty provision that the colonies of the central powers wentunder the control of the Allies,to be administered so
1. 2 answers
2. 522 views
given that thee density of a supplied vinegar solution in an experiment is 1.025g/ml, what is the percentage acetic acid found
1. 1 answer
2. 404 views
---------Great orator of Great Awakening.Former English bartender. One of 30,000 listened to him. Hellifire and brithone
1. 1 answer
2. 538 views
----------Andrew Johnonson's Secretary of State bought Alaska from Russia in 1867 for $7.2 million dollars.This deal was
1. 1 answer
2. 416 views
--------1870's split in the republican party;wanted a civil service system because they disagreed whith the OLD GUARD
1. 3 answers
2. 422 views
1------------the act of bringing land into U.S.through agreement of a majority of congress.Texas and hawai joined the U.S.in
1. 7 answers
2. 1,087 views
-----During french and Britsh fighting Washington declared that U.S.would not choose sides even though Hamilton wanted to
1. 3 answers
2. 437 views
--------passed by Federalists to put 16 more district court judges and 1 supreme court justice on bench.Done before jefferson
1. 3 answers
2. 550 views
-----During french and Britsh fighting Washington declared that U.S.would not choose sides even though Hamilton wanted to
1. 5 answers
2. 1,232 views
---------1494- made pope to keep his 2 main Catholic countries,Portugal and Spain from fighting each other over the
1. 1 answer
2. 553 views
----------revivalist of the great Awakening.Younger,less prosperous,wanted predestination,no denominations,believed man was
1. 3 answers
2. 863 views
--------During french and Britsh fighting Washington declared that U.S.would not choose sides even though Hamilton wanted to
1. 3 answers
2. 1,125 views
----------revivalist of the great Awakening.Younger,less prosperous,wanted predestination,no denominations,believed man was
1. 7 answers
2. 579 views
welthy dutch settlers in New York. Given money and land to set up feudal system.my answer New Netherlands
1. 1 answer
2. 837 views
1)--------practice in the south of borrowing the money necessary to plant a crop against that future crop.The money was loaned
1. 1 answer
2. 1,131 views
------------laws that kept white southerners in a superior position over Blacks.Many allowed "vagrant" black to be picked up and
1. 1 answer
2. 609 views
----------Segration laws passed in the south that replaced the BLack Codes after Recontruction.They separated Blacks(and many
1. 1 answer
2. 544 views
1- -------.one of the ways that white southerners tried to keep blacks from voting.1st way they did this .This rule said that
1. 6 answers
2. 590 views
he War of 1812- also called the second The war of American Independence or by its opponents the derisive 1 (----) . U.S.declared
1. 6 answers
2. 941 views
he War of 1812- also called the second war of American Independence or by its opponents the derisive (----) . U.S.declared war
1. 2 answers
2. 803 views

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