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Questions (106)

You come across a website with information about a newly launched smartphone model. The website has technical specifications,
1. 1 answer
2. 109 views
bot, please design and describe a simple playground
1. 3 answers
2. 87 views
Which of the following sentences contains an incorrect pronoun shift?(1 point)Joe's grandfather broke his favorite plate in the
1. 4 answers
2. 1,117 views
Which fossilized organisms are most likely found in Earth’s lowest layers of rock?(1 point)reptiles reptiles snails snails
1. 8 answers
2. 3,548 views
The rate of change of y with respect to x is one-half times the value of y. Find an equation for y, given that y = -7 when x =
1. 2 answers
2. 1,297 views
he rate of change of y with respect to t is 3 times the value of the quantity 2less than y. Find an equation for y, given that y
1. 5 answers
2. 1,275 views
Find a value of c> 1 so that the average value of f(x)=(9pi/x^2)cos(pi/x) on the interval [1, c] is -0.9.A. c=1 B.c=pi/4 C.c=6
1. 5 answers
2. 1,388 views
Which of the following is not true?A. In a solid of revolution, the cross-sections are circles or washers. B. You can figure the
1. 2 answers
2. 1,679 views
solve the linear equation,y=4x and y+x=5 tell how you got the answer. A.)(-4,1) B.)(1,4) C.)(-3,2) D.)(2,3)
1. 1 answer
2. 1,000 views
MODELING REAL LIFE A diver is diving from a platform 10 meters above the water. The diver reaches a depth of 4 meters. What is
1. 5 answers
2. 5,236 views
A thin stick of mass M = 2.0 kg and length L = 2.6 m is hinged at the top. A piece of clay, mass m = 1.0 kg and velocity V = 0.9
1. 1 answer
2. 438 views
The rectangle shown has a mass, m. The sides are made of uniform thin wire. The short side is of length a, and the long side is
1. 1 answer
2. 763 views
A non-uniform bar of weight W = 20.0 N is suspended at rest in a horizontal position by two massless cords. The angle phi
1. 0 answers
2. 748 views
The Figure shows two blocks, block 1 and block 2, held in equilibrium by a massless, unstretchable string. The mass of block 1
1. 0 answers
2. 1,241 views
The system in the Figure is in equilibrium. A mass M1 = 221.0 kg hangs from the end of a uniform strut which is held at an angle
1. 0 answers
2. 877 views
The system in the Figure is in equilibrium. A mass M1 = 221.0 kg hangs from the end of a uniform strut which is held at an angle
1. 0 answers
2. 819 views
A particle moves in the xy-plane, starting from the origin at t = 0 with an initial velocity v0 = (20ˆi – 15ˆj) m/s and a
1. 2 answers
2. 1,612 views
A car with a weight of 15 000 N is being towed up a 20o slope at constantvelocity. Friction is negligible. The tow rope is rated
1. 1 answer
2. 788 views
(15 Marks) An amusement park ride consists of a large vertical cylinderthat spins about its axis fast enough that any person
1. 1 answer
2. 1,798 views
A moving 1.6 kg block collides with a horizontal spring whose spring constant is 267 N/m (see figure). The block compresses the
1. 1 answer
2. 707 views
A 1500 kg block of granite is pulled up an incline that has an angle of inclination of 23 o with a constant speed of 2.03 m/s by
1. 1 answer
2. 1,625 views
A 485-kg crate hangs from the end of a 11.7 m long rope. You pull horizontally with a varying force to move it a distance d =
1. 0 answers
2. 500 views
With brakes fully applied, a 1340 kg car deccelerates from a speed of 96.0 km/hr. What is the change in the kinetic energy of
1. 0 answers
2. 466 views
With brakes fully applied, a 1340 kg car deccelerates from a speed of 96.0 km/hr. What is the work done by the braking force in
1. 0 answers
2. 473 views
An aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 49.0 kg of gas in 15.0 s with an exhaust
1. 0 answers
2. 622 views
A bullet of mass m = 0.025 kg is fired with a speed of vi = 94.00 m/s and hits a block of mass M = 2.10 kg supported by two
1. 0 answers
2. 706 views
A 22.0-kg body is moving in the direction of the positive x axis with a speed of 359 m/s when, owing to an internal explosion,
1. 0 answers
2. 777 views
wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them.
1. 0 answers
2. 704 views
wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them.
1. 0 answers
2. 678 views
Two 21.0 kg ice sleds are placed a short distance apart, one directly behind the other, as shown in the figure. A 3.42 kg cat,
1. 1 answer
2. 1,776 views
A 44-kg girl stands on a 7-kg wagon holding two 15.0-kg weights. She throws the weights horizontally off the back of the wagon
1. 0 answers
2. 739 views
A radioactive nucleus of uranium-235 (mU = 235 u) decays spontaneously to thorium-231by emitting an alpha particle (nucleus of a
1. 0 answers
2. 924 views
A student places her 500 g physics book on a frictionless table. She pushes the bookagainst a spring, compressing the spring by
1. 1 answer
2. 6,015 views
Two blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them.
1. 1 answer
2. 1,316 views
n aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 49.0 kg of gas in 15.0 s with an exhaust
1. 1 answer
2. 639 views
) A man holds a pail of water by the handle and whirls it around a vertical circle of radius 0.86 m at constant speed. What is
1. 1 answer
2. 2,176 views
A mass m = 6.0 kg is attached to the lower end of a massless string of length L = 73.0 cm. The upper end of the string is held
1. 1 answer
2. 1,246 views
A 32.7-kg block (m1) is on a horizontal surface, connected to a 6.7-kg block (m2) by a massless string as shown in the Figure.
1. 1 answer
2. 798 views
Two masses of 2.25 kg each, connected by a string, slide down a ramp making an angle of 34o with the horizontal. The coefficient
1. 1 answer
2. 2,820 views
The radioactive decay of carbon-14 is first-order and the half-life is 5800 years. While a plantor animal is living, it has a
1. 1 answer
2. 1,560 views
4. A 1500 kg car starts from rest and drives around a flat 50 m diameter circular track. Theforward force provided by the
1. 2 answers
2. 4,293 views
does acceleration change when a lift is moving
1. 1 answer
2. 455 views
1. Henry gets into an elevator on the 50th floor of abuilding and it begins moving at t = 2s. The figure shows the his apparent
1. 1 answer
2. 1,329 views
At the entrance channel of a harbor, the tidal current has a velocity of 4.22 km/hr in a direction 17.4o south of east. Suppose
1. 1 answer
2. 1,528 views
Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, as shown in the figure, and
1. 1 answer
2. 1,003 views
On a winter day with the temperature hovering near freezing, the coefficent of static friction between the tires and an icy road
1. 1 answer
2. 1,217 views
3.92 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 11.5 N at an angle theta = 15.5o above
1. 1 answer
2. 979 views
A block with mass m = 19.1 kg slides down an inclined plane of slope angle 18.2 o with a constant velocity. It is then projected
1. 0 answers
2. 555 views
Two blocks with masses m1 = 24.6 kg and m2 = 60.0 kg, shown in the figure, are free to move. The coefficient of static friction
1. 1 answer
2. 870 views
At the entrance channel of a harbor, the tidal current has a velocity of 4.22 km/hr in a direction 17.4o south of east. Suppose
1. 1 answer
2. 638 views
A rocket engine uses fuel and oxidizer in a reaction that produces gas particles having a velocity of 1380 ms-1. The desired
1. 1 answer
2. 2,524 views
What is the surface area of a triangular prism with a base of 3 a height of 2.6 and a length of 7?
1. 1 answer
2. 830 views
In a private school the ratio of boys to girls is 5:3 if there are 50 more boys than girls. How many students are there in
1. 2 answers
2. 737 views
solve.4r= -36
1. 1 answer
2. 1,180 views
Explain how you can be sure that all rates you have written on a double number line are correct.
1. 8 answers
2. 2,366 views
Correct the following for subject-verb agreement, tenses and fragments.1.My car it is very beautiful. 2.When he thought he could
1. 1 answer
2. 526 views
In a math competition, contestants receive 8+ points for every correct answer and -5 for every incorrect answer. Boris has 23
1. 1 answer
2. 764 views
-15 - (3-7) + 6 * (-2) + (-8) - 9
1. 2 answers
2. 325 views
-15 - (3-7) + 6 * (-2) + (-8) - 9
1. 1 answer
2. 300 views
-15 - (3-7) + 6 * (-2) + (-8) - 9
1. 1 answer
2. 293 views
2(3)cubed - (-9 + 5)squared =?
1. 1 answer
2. 358 views
Is the answer of 4×4×4 + 2×2 greater than the answer of 10 × 10 + 2 × 2 × 2 × 2 ×2?
1. 1 answer
2. 378 views
What does 4×4×4 + 2×2×2 =?
1. 1 answer
2. 359 views
Five athletes are chosen to represent their sports at the school pep rally. Two girls and three boys are selected to walk into
1. 1 answer
2. 483 views
If the kitchen floor is shaped like a rectangle and measures 11 feet × 14 feet, how many square tiles will they need to cover
1. 1 answer
2. 615 views
At a local restaurant, you order a cheesburger that costs $3.75, an order of french fries that cost $2.95, and a small drink
1. 1 answer
2. 543 views
If 3x + 7 = 34, what is the value of 5x?
1. 1 answer
2. 335 views
Point R located at (-3,4) and the point is trandlated +4 units horizontally. Where will the translated point be located?
1. 2 answers
2. 489 views
What is the 40th digit in the pattern 0.142857?
1. 0 answers
2. 433 views
If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?
1. 1 answer
2. 548 views
Mark and Juanita want to tile their kitchen floor. If the kitchen floor is shaped like a rectangle and measures 11 feet × 14
1. 2 answers
2. 623 views
Mark and Juanita want to tile their kitchen floor. If the kitchen floor is shaped like a rectangle and measures 11 feet × 14
1. 1 answer
2. 674 views
What is the 40th digit in the pattern 0.142857?
1. 1 answer
2. 334 views
If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?
1. 4 answers
2. 768 views
Based on estimates, the town of wayne has a population of 54,000 people. Wayne has an area of approximately 25 square miles.
1. 1 answer
2. 469 views
What number can be expressed as 2cubed × 3 × 5squared?
1. 1 answer
2. 412 views
The box shown does not have a top. What is the surface area of the box if its length measures 12 cm, its width is 9 cm, and it
1. 1 answer
2. 403 views
A local bus leaves the stations at 6:00 a.m. and returns to pick up new passengers every 40 minutes. Providing there are no
1. 1 answer
2. 541 views
His farn yields 5,000 ears of corn per season. Each year he plans to double the amount of corn his farm will yield. If this
1. 1 answer
2. 543 views
During a recent free throw basketball tournament, jessica makes 27 out of 40 free throws. Express this amount as a decimal.
1. 3 answers
2. 562 views
A professional baseball player has a battung average of 0.325 , express the players batting average as a fraction in simplest
1. 1 answer
2. 623 views
On a recent math test, monique earned an 85%. Which value represnts the amount monique did not answer correctly?
1. 3 answers
2. 487 views
There are 5 red marbles, 6 blue marbles, e green marbles, and 2 yellow marbles in a bag. What percent or fraction represents the
1. 2 answers
2. 1,800 views
The New Jersey state lottert is $173,000,00. If you and your family win the lottery and receive 5% of that amount for the next
1. 1 answer
2. 539 views
Which set of numbers does not contain three numbers that are equivalent?- Choices are:- A. 1/2,0.5,50% B. 1/5,0.02,20% C.
1. 1 answer
2. 630 views
Yankee stadium can seat 57,545 people. At a recent game, it was reported that appoximately 97% of the tickets were sold. Based
1. 1 answer
2. 455 views
What is the equivalent form of 15/24?
1. 1 answer
2. 425 views
The sales team at an electronics store sold 48 computers last month. The manager at the store wants to encourage the sales team
1. 6 answers
2. 1,934 views
You have a large container of olive oil. You have used 22 1/2 quarts of oil. Twenty-five percent of the olive oil remains. How
1. 8 answers
2. 1,655 views
Marty's rock shop has a stock of 360 shells. 80% of the shells are from florida. How many of the shells are from florida?
1. 1 answer
2. 406 views
Explain how the concentration of hydronium ions and hydroxide ions are related to pH.
1. 0 answers
2. 475 views
A mother can make good cakes and pies. If she bakes 2 chocolate cakes and 1 apple pie, and then cuts them into 8 pieces each how
1. 1 answer
2. 504 views
My mother has 4 children. The youngest is 3 and the oldest is 7. What is a reasonable total of all 4 childrens ages added
1. 1 answer
2. 449 views
My mother and I have beautiful children. My mother bas 3 kids while I have 3/4 fewer children than her. How many children would
1. 1 answer
2. 455 views
A locker combination has three nonzero digits, and digits cannot be repeated. If the first digit is odd, what is the probability
1. 2 answers
2. 965 views
Among the 2 supplementary angles the measure of the largeer angle is 36 more than measure of the smaller one.Find their
1. 4 answers
2. 839 views
The differencein the measures of 2 complementary angles is 18.Find the measures of angles.
1. 1 answer
2. 429 views
Triangle ABCis right angled at a .AD is perpendicular to BC.If AB=5cm,BC=13cm and AC=12cm,Find the area of triangle abc .Aiso
1. 3 answers
2. 923 views
The following pattern continues indefinitely.REPEATREPEATREPEAT… 1) What is the 38th letter in the pattern? Explain your
1. 1 answer
2. 623 views
The following pattern continues indefinitely.REPEATREPEATREPEAT… 1) What is the 38th letter in the pattern? Explain your
1. 1 answer
2. 530 views

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