3. A 2.65-kg box is sliding down a ramp with an initial speed of 1.25 m/s. The angle of the ramp is 18.0°, and the coefficients of friction between the ramp and the box are = 0.575 and = 0.425. a. Find the magnitudes of the net force and the acceleration in the direction parallel to the surface of the ramp. b. Use the acceleration to determine how far the box travels down the ramp before it stops. c. Calculate how much time it takes for it to slide to a stop. Vo = 1.25 m/s 18.0⁰ m

3. A 2.65-kg box is sliding down a ramp with an initial speed of 1.25 m/s. The angle of the ramp is 18.0°, and the coefficients of friction between the ramp and the box are = 0.575 and = 0.425. a. Find the magnitudes of the net force and the acceleration in the direction parallel to the surface of the ramp. b. Use the acceleration to determine how far the box travels down the ramp before it stops. c. Calculate how much time it takes for it to slide to a stop. Vo = 1.25 m/s 18.0⁰ m

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 74PQ: Starting from rest, a rectangular toy block with mass 300 g slides in 1.30 s all the way across a...

See similar textbooks

Similar questions

A rope is attached to a box. The box is placed on an inclined plane. The box has a mass of 50 kg. I would like to lower the box downward. I am holding it with a force F equal to 100 N. Ignore friction. The angle θ = 30o A. Does the box move downward or actually stay at rest on the inclined plane? B. Determine the acceleration of the box. C. Friction is present and the coefficient of kinetic friction is 0.2. Determine the new acceleration of the box
Two blocks are connected via a massless frictionless pully system. The hanging block is 3 kg. The other block is on a ramp of 25◦ and has a mass m. The coefficients of friction between the block on the ramp and the ramp are: µs = .8 and µk = .5. a. What is the minimum mass m that will not slip? b. If the minimum mass is nudged, it will start being pulled up the incline. What will the acceleration be when that happens?
A 24 kg box is tied to a 14 kg box with a horizontal rope. The coefficient of friction between the box and the floor is 0.32. You pull the larger box forward with a force of 1.8 x 102 N at an angle of 250 above horizontal. a. Calculate the acceleration of the boxes. b. Calculate the tension in the rope?
A. A 200 kg block slides along a ramp with an angle of inclination 0 = 38°. The coefficient of friction between the block and ramp is 0.14. What is the acceleration of the block? a = gsine - ugcose B. If there is no friction between the block and the ramp, meaning the coefficient of friction between the block and the ramp is 0, What is the acceleration of the block in this case?
A friction experiment is performed on a planet that has the same mass as Earth but half the radius. A 1.0-kg block is pulled along a horizontal dynamics track with a horizontal force of magnitude 15.0 N. If the coefficient of kinetic friction between the block and the track is 0.3, determine the acceleration of the block. O a. 14.26 m/s^2 O b. 12.06 m/s^2 O. 3.24 m/s^2 Od. 15.00 m/s^2
A 100 gram wooden block is placed on an inclined ramp and released from rest. The ramp is tilted at an angle of 25 degrees with thek horizontal. The coefficient of static friction between the block and the ramp is 0.300 and the coefficient of kinetic friction is 0.200. 25° 35. The acceleration of the block has a magnitude of c. 2.37 m/2. A. 4.14 m/ В. 2.18 т D. 1.01 m/ E. zero.
A. A 200 kg block slides along a ramp with an angle of inclination 0 = 38°. The coefficient of friction between the block and ramp is 0.14. What is the acceleration of the block? a = gsine – ugcos® B. If there is no friction between the block and the ramp, meaning the coefficient of friction between the block and the ramp is 0, What is the acceleration of the block in this case?
You give a 2.10 kg box a hard shove at the bottom of a ramp, and it leaves your hand with a speed of 8.50 m/s. The ramp is inclined at an angle of 30.0o, and the coefficient of kinetic friction between the ramp and the box is 0.300. The box slides up the ramp and eventually stops. What is the magnitude of the acceleration of the box while it is sliding up the ramp? select correct answer. a) 7.45 m/s2b) 7.84 m/s2c) 15.6 m/s2d) 11.5 m/s2
1. A force F=100 N is acting on an object of mass m=10 kg. The force makes an angle of 10° with the x-axis. Calculate the acceleration of the 9.85 m/s 8.69 m/s object. A в 7.52 m/s D 6.34 m/s 2. A 1000 kg object is rising. Its speed is increasing at 3 m/s. The force on the object is: A 1000 N B 3000 N 9800 N D 12800 N 3. A 16 kg object is initially at rest. A constant force of 8.0 N is exerted for 4 s on that object. The change in speed of this object will be 2.0 m/s 6.0 m/s 0.5 m/s 4.0 m/s A B D
At a post office, a parcel that is a 20.0-kg box slides down a ramp inclined at 28.3° with the horizontal. The coefficient of kinetic friction between the box and plane is 0.0300. a. Find the acceleration of the box. a = m/s? b. Find the velocity of the box as it reaches the end of the plane, if the length of the plane is 3 m and box starts at rest. Vf = m/s Submit Question
A box with a weight of 1260 N was dragged across the horizontal floor by a man by pulling a rope that is tied on the box. The man exerts a horizontal force of F= 485N on the rope, and the floor exerts a friction force of 98 N on the box. Find the magnitude of the acceleration of the box. a. 128.6 m/s^2 b. 3 m/s^2 c. 387 m/s^2 d. 3.8 m/s^2
A box of mass ?= 5.00 kg is at rest on a horizontal rough surface. The coefficients of static friction and kinetic friction between the surface and the box are μ?= 0.450 and μ?= 0.400, respectively. Then, a horizontal force ?⃗ is exerted on the box. a. If the magnitude of the force ?⃗ is 12.0 N, what is the magnitude of the friction force on the block? b. If the magnitude of the force ?⃗ is 25.0 N, what is the magnitude of the acceleration of the block?