A 75-kg skier starts down a 50-m high, 10° slope. The coefficients of friction between the skis and the snow are μs = 0.12 and μk = 0.06. What are the skier’s acceleration and speed at the bottom?

Q: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum…

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Q: While an elevator of mass 812 kg moves downward, the tension in the supporting cable is a constant…

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Q: A hockey puck (170.0 g) slides across smooth ice with a velocity of 4.5 m/s [F]. When the puck…

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Q: what is the player’s acceleration? How far did he slide?

A: Mass of block, m=100Kg Initial speed, vi=6.4m/s Coefficient of kinetic friction, μ=0.46

Q: The block has mass m = 6.8 kg, the ramp is at an angle of θ = 28 degrees, the coefficient of kinetic…

A: We have a mass of m=6.8 kg moving up a ramp at an angle 28o and the ramp has a coefficient of…

Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

A: Given: Weight of the rock is 25N, then the mass of rock m=25g=2510=2.5 kg      where g= accleration…

Q: A 200kg statue has a coefficient of friction with the ground of 0.7. How much horizontal force is…

A: Given:mass M=200kgcoefficient of friction μ=0.7To find:Horizontal force F=??

Q: The coefficient of friction between a 40kg piano and the ground is 0.85. What will the piano's…

A: Given data: Mass of the piano, m=40 kg Coefficient of friction, μ=0.85 Horizontal force, F=450 N…

Q: A skydiver weighing mg=192lb (with equipment) jumps from a plane. The coefficient of air resistance…

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Q: jeepney brakes and travels from 10 m/s to a stop in 15 m. What is the coefficient of kinetic…

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Q: A 1000 kg car traveling at a speed of 40 m/s skids to a halt on wet concrete where μk = 0.60. How…

A: Given data: Mass of the car m=1000 kg Initial speed u =40m/s Coefficient of kinetic frictionμk=0.60

Q: A 57 kg skier is going down a mountain side, during one particularly steep region their velocity can…

A: Net force =( mass ) (acceleration)  acceleration = time derivative of the velocity

Q: 50. The speed-time graph of a body is shown below. v m/s 8 3 4 9. 15 The distance covered by the…

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Q: An object is on a frictionless inclined plane. The plane is inclined at an angle of 40° with the…

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Q: How much time does it take for a rock dropped from a cliff to fall 180 meters? Assume no air drag.

A: Initial velocity (u) = 0 m/s height of cliff (h) = 180 m

Q: 3) A crate is sliding down an incline that is 35° above the horizontal. If the coefficient of…

A: Given data: Angle (θ) = 35°, above the horizontal Coefficient of kinetic friction (μk) = 0.40…

Q: A skier slides down the slope with a constant speed of 35.00 °. What is the value of the friction…

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Q: A 75kg box slides down a ramp 25.0° to the horizontal with an acceleration of 3.60 ms. a=3.60 ms…

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Q: A box of mass m = 2.0 kg is at rest on an incline with angle θ = 20° from the horizontal. Beyond…

A: Analyze the free body diagram of the given system.

Q: While an elevator of mass 812 kg moves downward, the tension in the supporting cable is a constant…

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Q: The picture shows a person dragging an anchor along the ground. If the person is accelerating the…

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Q: What is the acceleration due to gravity on the top of Mt. Everest with an altitude 8.857 km? a.…

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Q: A person whose weight is  516 N is being pulled up vertically by a rope from the bottom of a cave…

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Q: A rope is tied to a 5 kg box on frictionless surface. What is the tension in the rope if the box in…

A: Given, the mass of the box is =m=5 kg acceleration of box=a=4.3 m/s^2 let tension on the rope is T N

Q: While an elevator of mass 812 kg moves downward, the tension in the supporting cable is a constant…

A:

Q: A 30kg box is sliding along the ground. If the coefficient of friction between this box and the…

A: The force of friction is given by, fk=μkN Here, μk is the coefficient of friction between the box…

Q: Starting from rest, a 75 kg skier slides down a 17.0° slope. If the coefficient of kinetic friction…

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Q: A(n) 11 kg mass is on an incline, with a = 4.7_m and b = 2.3_m. The coefficient of kinetic friction…

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Q: A skier slides down a steep hill that is an angle of 60 degrees up from horizontal. If there was no…

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Q: If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge…

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Q: A small cactus has fallen out of a plane. As it falls, it eventually reaches a constant velocity of…

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Q: A car is travelling at 15 m/s on a horizontal road and stopped after 4 s. The coefficient of kinetic…

A: Given Data : The initial speed of the car is given as u=15ms The time after which the car stopped is…

Q: A stone of mass 2 kg and weight 20 N falls through the air. The air resistance acting on the stone…

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Q: A car of mass m=1500kg is on an icy driveway inclined at an angle 0 = 53° as in Figure. What is the…

A: Given  Mass of car m=1500 kg θ=53

Q: When the three blocks in the figure are released from rest, they accelerate with a magnitude of…

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Q: 90-kg skydiver jumps out of a plane above the earth. As soon as he exits the plane, when there is no…

A: Mass of sky diver = 90 kg  No air resistance is present

Q: A box of scrapbooks slides down a 33° wooden incline at a constant speed. What is the coefficient of…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: A 40 kg crate slides down a rough plane inclined at 30° to the horizontal, under the influence of…

A: Mass = 40 kg  Angle of incline = 30 degree  Coefficient of kinetic friction = 0.20

Q: A box weighing 48 N is given a downward velocity of 16 m/s on an inclined plane whose slope is 24/7.…

A: GIven:  Weight of the box = mg = 48N Inital velocity of the block = 16 m/s (downward) Slope of the…

Q: A 3500 kg race car starts a race with an acceleration of 21 m/s?. What is the net external force on…

A: Since there are multiple questions posted, we will answer the first question for you. If you want…

Q: An object is on a frictionless inclined plane. The plane is inclined at an angle of 45° with the…

A: Acceleration will be 6.9 m/s^2.

Q: A(n) 19_kg mass is on an incline, with a = 4.5_m and b = 2.3_m. The coefficient of kinetic friction…

A: Given - mass of block , m=19 kg length of side a = 4.5 m length of side b = 2.3 m coefficient of…

Q: KTMDG A box slides from rest down a curved slope. Its initial height is 21 m above the ground, and…

A: Write the given values with the suitable variables. u=0 m/sH=21 mh=7 m Here, u is the initial speed,…

Q: A 81 kg skydiver can be modeled as a rectangular "box" with dimensions 24 cm × 47 cm × 170 cm. If he…

A: Given:-  m=81 kg  A rectangular "box" with dimension = 24×47×170 cm. His drag coefficient is 0.80…

Q: A 40-kg crate is being pushed across a horizontal floor. If the coefficient of sliding friction is…

A: The frictional force is given by f=μN Here, μ is the coefficient of sliding friction and N is the…

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.