2 Uphill Climb M A spring with spring constant k = 100 N/cm is compressed by a distance Ax 5 cm then used to launch a block with mass M = 1.02 kg horizontally along a surface with negligible friction. The block then slides up a ramp with an incline of 0 = 15°. The coefficient of kinetic friction between the block and the ramp is u = 0.2. How far does the block slide up the ramp before ramp, but you must specify which.) comes to rest? (You may give the height or the distance along the

2 Uphill Climb M A spring with spring constant k = 100 N/cm is compressed by a distance Ax 5 cm then used to launch a block with mass M = 1.02 kg horizontally along a surface with negligible friction. The block then slides up a ramp with an incline of 0 = 15°. The coefficient of kinetic friction between the block and the ramp is u = 0.2. How far does the block slide up the ramp before ramp, but you must specify which.) comes to rest? (You may give the height or the distance along the

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A0.28-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the cliff, the rock has a speed of 30 m/s . You may want to review (Pages 234 -241) - Part A Assuming that air resistance can be ignored, find the initial speed of the rock. Express your answer using two significant figures. ? m/s Submit Requeet Answer Part B Find the greatest height of the rock as measured from the base of the cliff. Express your answer using two significant figures. Hmar = Submit Requeet Anewer
m A person is pushing a wooden crate of mass mo = 20 kg at a constant speed vo = 1.2– for Ax = 3 m along a rough horizontal floor that has a coefficient of friction µk = .4.
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3. A 320 g block is released from rest on a 37° ramp and slides down the ramp a distance d until it contacts a spring of spring constant 820 N/m. The coefficient of kinetic friction between the block and the ramp is 0.26. It compresses the spring 5.3 cm before coming to a stop. How much was the distance d it travelled down the ramp before contacting the spring? 5.3 cm www. |370
Forces: A 7.60×103 kg transport truck is approaching a 20.0° icy hill that has a bridge at the top that is out of service. The driver immediately slams on the brakes and begins to skid up the hill. The coefficient of kinetic friction between the tires and the hill is 0.350. If there is only 131 m from the bottom of the hill to the bridge what maximum speed can the truck initially be going and still avoid an accident?
An object released from rest slides down a frictionless ramp that makes an angle 0j of 60.0° with the horizontal. The object begins at a height Hj of 12.0 m above the base of the ramp. The bottom end of the ramp merges smoothly with a H second frictionless ramp that rises at angle 02 of 39.0°. H2 What distance d does the object slide along the second ramp before coming to a momentary stop? d = m When the object is on its way back down the second ramp, what is its speed vr at the moment that it is at a height H2 of 7.00 m above the base of the ramp? Uf = m/s
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13. A block slides along a track with an initial velocity vo = 7.0 m/s from one level to a higher level after passing through an intermediate valley. The difference h from the initial position to the elevated track is 0.89 m. The track is frictionless until reaches the top. What is the velocity of the block when it reaches the top of the track?
▼ Part A A 56 g ice cube can slide without friction up and down a 30° slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10 cm. The spring constant is 22 N/m. When the ice cube is released, what total distance will it travel up the slope before reversing direction? Express your answer with the appropriate units. As= Submit Part B Value As= Request Answer Submit The ice cube is replaced by a 56 g plastic cube whose coefficient of kinetic friction is 0.20. How far will the plastic cube travel up the slope? Express your answer with the appropriate units. Value Request Answer C < Return to Assignment Units Units ? Provide Feedback HH Q Search Review 140 6:11 PM 12/17/2023 M O
A student releases a 3.9kg cart from the top of ramp and starts a stopwatch. The length from the front of the cart to the end of the ramp and the distance from the end of the ramp to the stopper are shown. Neglect backwards friction and drag and assume the cart does not lose speed transitioning from the ramp to the floor. What is the cart's acceleration on the ramp? unit | (magnitude) What is the cart's acceleration on the floor? 130cm unit (magnitude) How long does the cart take to reach the end of the ramp? 5° 200cm unit (timed from the release) How fast is the cart traveling as it hits the stopper? unit How long does the cart take to reach the stopper? unit (timed from the release) cannot be detern check answers challenge ne Calculator ound = 343m/s cant figures Rain to stop e here to search ACC t;320
Starting from rest, a 91-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 740 N, and his speed at the bottom of the pole is 3.4 m/s. How far did he slide down the pole? Number i Units ho
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