kgwooden box, starting from rest, is pulled across a floor with a constant horizontal force of300N.The first10m ofthe floor is frictionless. And for the next10m, the floor is beginning to be rough, which hasthe friction coefficient (?) of 0.25What is the final speed of the crate?

Q: A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients…

A: IN THE QUESTION IT IS GIVEN THAT , inclined angle= 30° mass= 200 g  μs = 0.40 andμk = 0.30  puck’s…

Q: In the figure, a 3.9 kg block slides along a track from one level to a higher level after passing…

A: Given: Mass,m=3.9kgInital velocity,v0=7m/sHeight,h=0.92mCoefficient of Kinetic…

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A:

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A:

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 38.9 m/s as in the figure…

A: KEBottom-KEtop=PE0.5mvbottom2-0.5mvtop2=mghh=0.vbottom2-0.5vtop2g

Q: In the figure, a 4.3 kg block slides along a track from one level to a higher level after passing…

A: I have used concept of work energy theorem

Q: In the figure, a 4.5 kg block slides along a track from one level to a higher level after passing…

A:

Q: In the figure, a 4.4 kg block slides along a track from one level to a higher level after passing…

A:

Q: When a car is hit from behind, its passengers undergo sudden forward acceleration, which can cause a…

A: Part (a) Given: The energy absorbed is E=8.0 J. The time taken for collision is t=10.0 ms. The mass…

Q: A block of unknown mass is placed on a ramp at a height h above the ground as shown.  The block is…

A:

Q: In the figure, a 3.7 kg block slides along a track from one level to a higher level after passing…

A: Given:  Mass of block, m=3.7 Kg initial speed, v0=5.8 m/s height difference, h=0.96 m coefficient of…

Q: A semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls…

A: According to question, the semi-trailer coast along a ramp, which is inclined at an angle of 12.5°,…

Q: Q3/ A 10 Kg block slides down a hill that is 200 cm tall as shown in the fig speed of 12 m/s: (a)…

A: Consider the following diagram,

Q: The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a…

A: Solution:

Q: A 32.0-kg  crate, starting from rest, is pulled across a floor with a constant horizontal force of…

A: Image-1

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A:

Q: A wheelchair with a initial speed of 0.63 m/s is going up a ramp that has a 45° angle. What is the…

A:

Q: A child is sitting in a wagon at the top of a hill. The mass of the child and wagon together is 40.0…

A: Given Data: The child and wagon together is: m=40.0 kg The distance covered on the inclined hill is:…

Q: 1. A 100.0 kg crate, starting from rest, is pulled across a floor with a constant horizontal force…

A: Calculate the acceleration of the crate. F=ma300 N=100 kgaa=3 m/s2   Calculate the time to cover…

Q: 20. Go A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force…

A:

Q: A box weighing 3.9 kg is initially at rest on a horizontal floor. It is then pushed in a straight…

A: mass of box = m =3.9kg initial velocity = Vi = 0 m/s force = F = 36N Displacement= S=1.2m

Q: 2. An 8.00-kg block of ice, released from rest at the top of a 1.50-m-long frictionless downhill,…

A: Givenmass of ice block ,m=8 kgLength of ramp, L=1.5 mFinal speed ,v=2.5 m/s

Q: A truck (m = 10000 kg) is traveling at a speed of 30 m/s (about 70 mph) down the Kailua side of the…

A: Given  Mass of truck m=10000kg Initial height h1=10m Initial velocity v1=30m/s Final velocity…

Q: 3kg block slides along a floor with coefficient of kinetic friction uk = 0.3, initially moving at…

A: Initial velocity u = 7 m/s Length of floor = 2 m

Q: H=0-

A:

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A: Solution:-

Q: 02 UBC Engineering A trapeze artist of a mass of M to 01 = 70° and then rope A is cut. The artist…

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A: Given data: Mass of car (m) = 2.1×103 kg Displacement along driveway (d) = 5.8 m Angle with…

Q: 10. Block 1 with a mass of 1.0 kg slides down a frictionless ramp with a height of 3.0 m and cllides…

A: Given, Mass of block 1 is 1.0 kg height is 3.0 m

Q: In the figure, a 4.2 kg block slides along a track from one level to a higher level after passing…

A: Given data: Mass(m)=4.2kg mu_k=0.641 h=1m Initial speed of block=7m/s Need to find 'd'

Q: 4. The goal of a worker is to slide a 20-kg crate up a 2.5 m-long inclined at 25º. The worker was…

A:

Q: A wheelchair with a initial speed of 0.63 m/s is going up a ramp that has a 15° angle. What is the…

A: Given: The initial speed of the wheelchair is v0 = 0.63 m/s The ramp distance is x = 0.91 m The…

Q: A 4.0 kg block is initially at rest at a height of H=4.0 m on a ramp. The block then slides down a…

A:

Q: In the figure, a 3.9 kg block slides along a track from one level to a higher level after passing…

A: Given: The mass of the block is 3.9 kg. The initial speed of the block is 6.0 m/s. The height…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.