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Nevaeh
Questions (187)
What is 16 increased by twice a number phrase into an algebraic expression
1 answer
100 views
a tree that is 22 meters tall, casts a shadow of 28 meters. a building located nearby cast a shadow of 56 meters. what is the
1 answer
474 views
In at least three complete sentences, write a character analysis for the protagonist in your selected novel. Include literal,
1 answer
319 views
which of these changes most affected the native americans on the great plain when white settlers moved west?
1 answer
281 views
A Ferris wheel is 38 meters in diameter and the bottom of the Ferris wheel is 6 meters above the ground. You board the Ferris
1 answer
750 views
a solid ball and a cylinder roll down an inclined plane. which reaches the bottom first?
A. The ball reaches the bottom first. B.
6 answers
1,256 views
a particle vibrates according to the equation x= 20cos(16t) where x is in centimeters. determine the amplitude and frequency of
9 answers
1,541 views
of the following ways, which one is the best way to increase the power output?
A. Increase the amount of work done in a given
20 answers
1,094 views
how much power is required to raise a 30 kg crate a vertical distance of 6 m in a time of 4 seconds?
a. 52.5 W b. 120 W c. 385 W
2 answers
1,471 views
An angle has a measure of 61 degrees plus 1.1 radians.
Determine the percentage of a circle's circumference cut off by this
2 answers
1,181 views
a ball rolls down a curved ramp. at the top of the ramp, before rolling , what kind of energy storage does the ball have?
A.
4 answers
712 views
El senor adams___ norteamericano.(ser).
Como se____ sus hijos?(llamar) La casa del senor___ en los suburbios de la cidud. (Estar)
1 answer
255 views
in the diagram, the balls velocity is 6 m/s, and the height of the ramp is 1 m. what will the balls velocity be at the top of
3 answers
2,118 views
A 3m beam of negligible weight is balancing in equilibrium with a fulcrum placed 1m from its left end. If a force of 50N is
1 answer
1,106 views
Two students are balancing on a 10m seesaw. The seesaw is designed so that each side of the seesaw is 5m long. The student on
2 answers
652 views
A uniform rod of length 50cm and mass 0.2kg is placed on a fulcrum at a distance of 40cm from the left end of the rod. At what
2 answers
1,757 views
two students are balancing on a 10 m seesaw . the seesaw is designed so that each side of the seesaw is 5 m long. the student on
4 answers
1,660 views
150 N of force is applied perpendicular to a 15 cm wrench. Calculate the torque generated.
A.2250 N*m B. 31.3 N*m C. 18.7N*m D.
1 answer
544 views
as the population of an area goes up, what happens to the areas housing market?
a. prices would remain constant, but demand would
1 answer
266 views
All of the following would cause demand to be more inelastic except:
A. Urgent consumer need B. The price is a small fraction of
0 answers
359 views
an industrial oven and fryer is an example of which factor of production?
a. land b. labor c. capital d. more than one type is
4 answers
307 views
find the torque t on a rod thats 5 m in length thats hit by a 2 N force at a 90 degree angle.
a. 7 J b. 5 J c. 10 J d. 0 J
1 answer
184 views
A 2kg mass is suspended on a rope that wraps around a frictionless pulley attached to the ceiling with a mass of 0.01kg and a
1 answer
668 views
Two ice skaters are initially at rest. The 78.2 kg male ice skater pushes his 48.5 kg female partner forward and away from his
1 answer
1,332 views
a 2.72 g arrow is fired with a velocity of 87.3 m/s from a bow with a mass of 2.45 kg. find the impulse on the arrow?
A. 2.37 Ns
0 answers
926 views
two football players one with a mass of 89.3 kg and the other with a mass of 94.8 kg, are running at a velocity of 8.32 m/s. if
2 answers
2,435 views
a 4 kg block is moving at 12 m/s on a horizontal frictionless surface. a constant force is applied such that the block slows
1 answer
542 views
after a spring is compressed 0.2 meters from its uncompressed length it exerts a 20 newton force on a 0.4 kg block resting on a
1 answer
578 views
What reference source would you use to find the average snowfall in January in Nome, Alaska
5 answers
641 views
which of the following changes will increase the period of an oscillating spring mass system?
a. an increase in the mass on the
1 answer
823 views
which of the following changes will increase the frequency of an oscillating pendulum?
a. an increase in the mass of the
3 answers
393 views
a student standing in an elevator at rest notices that her pendulum has a frequency of oscillation of 0.5 Hz. a. what is the
1 answer
232 views
gross domestic product includes the values of only final goods and services. true or false
I choose true is that correct.
1 answer
376 views
oscillating spring mass systems can be used to experimentally determine an unknown mass without using a mass balance. a student
1 answer
301 views
a student standing in an elevator at rest notices that her pendulum has a frequency of oscillation of 0.5 Hz.
a. what is the
2 answers
335 views
a student standing in an elevator at rest notices that her pendulum has a frequency of oscillation of 0.5 Hz.
a. what is the
0 answers
202 views
oscillating spring mass systems can be used to experimentally determine an unknown mass without using a mass balance. a student
1 answer
326 views
what is the period of a pendulum if the length of the rope is 1.5 m?
3 answers
1,182 views
what is the period of a spring-mass system if the mass is 15 kg and the spring constant is 50 N/m?
b. what is the frequency of
1 answer
217 views
A piece of art weighing 30 pounds is hung from two wires as shown below. Each wire is supporting half of the weight of the
1 answer
929 views
An airplane is flying with a constant altitude at a speed of 450 mph in a direction 10° north of west directly towards its
4 answers
1,182 views
Two children on opposite sides of a 13 kg door (I = 1/3 mL 2 ) apply a force to the door. The first child pushes with force F at
0 answers
319 views
a stop over 3 seconds. What is the angular acceleration? B. How many radians did the disk turn while stopping ? C. how many
1 answer
390 views
A disk of a radius 50 cm rotates at a constant rate of 100 rpm. What distance in meters will a point on the outside rim travel
1 answer
420 views
A disk of radius 10 cm speeds up from rest. It turns 60 radians reaching an angular velocity of 15 rad/s. What was the angular
2 answers
275 views
A disk of radius 25 cm spinning at a rate of 30 rpm slows to a stop over 3 seconds. What is the angular acceleration? B. How
1 answer
329 views
A disk of a radius 50 cm rotates at a constant rate of 100 rpm. What distance in meters will a point on the outside rim travel
1 answer
282 views
A disk of radius 10 cm speeds up from rest. It turns 60 radians reaching an angular velocity of 15 rad/s. What was the angular
1 answer
328 views
Consider a point with rectangular coordinates (x,y).
If x<0 then the polar coordinates of the point are (r,θ) where r≥0 and
4 answers
420 views
Checking my answers
a disk of radius 10 cm speeds up from rest. it turns 60 radians reaching an angular velocity of 15 rad/s.
1 answer
298 views
a disk of radius 25 cm spinning at a rate of 30 rpm slows to a stop over 3 seconds. what is the angular acceleration?
b. how many
0 answers
236 views
a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel
0 answers
241 views
a disk of radius 10 cm speeds up from rest. it turns 60 radians reaching an angular velocity of 15 rad/s. what was the angular
0 answers
233 views
The height of a windmill blade above the ground (in feet) is given by the function f where f(k)=14sin(1.1k)+24. Match the
0 answers
672 views
Just checking my answers
A 0.30 kg toy car with an initial velocity of 4 m/s collides with a 0.5 kg car with an initial velocity
0 answers
340 views
An astronaut on a spacewalk pushes off of the outside of the spaceship. Compare the force of the astronaut on the ship to the
1 answer
400 views
a 25 kg child is initially riding in a 50 kg cart moving at a speed of 2.0 m/s. the child manages to jump off the back of the
0 answers
254 views
A student holds a 2.0 kg air rifle, un-braced with a very loose grip. The muzzle velocity of a 2.0 g bullet fired from the rifle
0 answers
226 views
A 0.1 kg arrow with an initial velocity of 30 m/s hits a 4.0 kg melon initially at rest on a friction-less surface. The arrow
0 answers
296 views
A 60 kg person and an 75 kg person each jump off opposites sides of a 40 kg raft with a speed of 3.0 m/s. If the raft was
0 answers
235 views
A 0.75 kg toy car moving with a speed of 3 m/s to the right collides with a 0.25 kg toy car moving with a speed of 3 m/s to the
1 answer
325 views
A 0.30 kg toy car with an initial velocity of 4 m/s collides with a 0.5 kg car with an initial velocity of 4 m/s in the opposite
0 answers
293 views
An astronaut on a spacewalk pushes off of the outside of the spaceship. Compare the force of the astronaut on the ship to the
2 answers
514 views
Rachel is bowling with her friends. Her bowling ball has a radius of 4.1 inches. As she bowls she tracks the location of the
1 answer
1,851 views
A point starts at the location (−4,0) and moves CCW along a circle centered at (0,0) at a constant angular speed of 2 radians
1 answer
2,895 views
Find the volume of the rectangular prism
1 answer
470 views
A Ferris wheel has a radius of 30 feet and travels 6.8 feet every second. At what constant angular speed does the Ferris wheel
1 answer
2,465 views
what is the cost to run a single 100 w light bulb for 30 days if the electric company charges $0.18 for every KW-hr?
6 answers
303 views
Suppose
a represents some number of radians where 0 < a < π 2 , and cos ( a ) = 0.7 and sin ( a ) = 0.72 . Determine the values
1 answer
1,813 views
A skier skis along a circular ski trail that has a radius of 1.3 km. The skier starts at the East side of the ski trail and
1 answer
3,000 views
A toy racecar races along a circular race track that has a radius of 24 meters. The racecar starts at the 3-o'clock position of
2 answers
3,220 views
Trent is skiing on a circular ski trail that has a radius of 0.9 km. Trent starts at the 3-o'clock position and travels 2.6 km
1 answer
2,253 views
Checking my answer
a 60 kg box is lifted by a rope a distance of 10 meters straight up at a constant speed. How much power is
1 answer
929 views
A building is 52 meters tall. The building next to it is 50.36 meters tall. What is the difference between the heights of the
1 answer
292 views
A 60. kg student jumps from the 10. meter platform at ASU's swimming complex into the pool below.
a. Determine her Eg at the
1 answer
1,747 views
Suppose a scrawny 20. kg Wyle was shot straight up with an initial velocity of +50 m/s.
a. Assuming that all his initial Ek
2 answers
452 views
A 24 kg child descends a 5.0 m high slide and reaches the ground with a speed of 2.8 m/s.
a. How much energy was dissipated
2 answers
2,954 views
A bullet with a mass of 10. g is fired from a rifle with a barrel that is 85 cm long.
a. Assuming that the force exerted by
2 answers
1,836 views
A spring whose spring constant is 850 N/m is compressed 0.40 m. What is the maximum speed it can give to a 500. g ball?
4. If
3 answers
2,121 views
A 60. kg student jumps from the 10. meter platform at ASU's swimming complex into the pool below.
a. Determine her Eg at the
0 answers
644 views
a student pushes a 40 kg lawnmower from rest across a rough surface with a force of 200 N at an angle of 60 degrees below the
0 answers
432 views
a 10 gram bullet is fired horizontally out of a rifle with a 0.8 m long barrel. The speed of the bullet when it emerges from the
4 answers
431 views
a student pulls a 10 kg wagon with a constant 140 N force at an angle 45 degrees above the horizontal for a distance of 3.0 m.
0 answers
337 views
a spring stretches from an initial height of 5 cm to a final stretch of 10 cm. the spring constant is 800 n/m.How much work was
1 answer
541 views
a 70 kg student stands on top of a 5.0 m platform diving board . how much gravitational potential energy does the student have?
h
3 answers
642 views
a student applies a constant 200 n of force horizontally to a box for distance of 5.0 m. how much work does the student do on
3 answers
326 views
how much work is required to make a 1400 kg car increase its speed from 10 m/s to 20 m/s?
what average force is required if the
1 answer
270 views
how much work is required to make a 1400 kg car increase its speed from 10 m/s to 20 m/s?
what average force is required if the
2 answers
347 views
what is the spring potential energy of a spring that is stretched 15 cm if its spring constant is 350 n/m?
how much force is
2 answers
676 views
what is the gravitational potential energy of a 30 kg box at rest on top of a hill that is 15 m tall?
Peg= mgh Peg= (30
1 answer
506 views
what is kinetic energy of a 1100 kg car traveling at a speed of 20 m/s?
Just checking my answer. Ke= 1/2mv^2 Ke=
0 answers
329 views
Which of the following are appropriate units of angle measure? Select all that apply.
1/7-th of the circumference of a circle. 1
3 answers
640 views
Tony uses the length of his hand to measure the size of his desk. He finds the top of his desk to be about "3 hands by 9 hands"
1 answer
244 views
I'm here to check my answers please correct me if I'm wrong.
A student places an object with a mass of m on a disk at a position
1 answer
476 views
find the minimum speed for the roller coaster riding along the inner side of a loop with a radius r and an acceleration of 1.5
0 answers
309 views
A student places an object with a mass of 100 g on a disk at a position 0.75 m from the center of the disk. The student starts
0 answers
301 views
A particular satellite with a mass of 5x10^8 kg is put into orbit around Ganymede (the largest moon of Jupiter) at a distance
0 answers
340 views
find the minimum speed for the roller coaster riding along the inner side of a loop with a radius r and an acceleration of 1.5
0 answers
272 views
A particular satellite with a mass of m is put into orbit around Ganymede (the largest moon of Jupiter) at a distance 300 km
1 answer
537 views
A student places an object with a mass of m on a disk at a position r from the center of the disk. The student starts rotating
1 answer
403 views
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