A 20-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 28 N. Starting from rest, the sled attains a speed of 2.6 m/s in 9.4 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.

Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 5.0…

A: Given Data: The initial speed of a monkey and sled is, u=5.0 m/s The angle of an inclined track is,…

Q: block of mass m= 5 Kg is sent sliding up a large plane inclined at 0 = 37° while a horizontal force…

A: Given:Mass of block: m=5 kgMagnitude of external force: F=50 NCoefficient of kinetic friction:…

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: Given- Mass of car , m = 1500 kg Initial speed  of car, u = 15 m/s Final speed of car , v = 0 m/s…

Q: A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.875 m/s  encounters a rough…

A: a)The magnitude of net force is,

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: Given:

Q: A 5 kg block is at rest on a horizontal floor, and then you pull it with a cord that exerts a…

A:

Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.880 m/s encounters a rough horizontal…

A:

Q: A 7450kg car is travelling at 28.7m/s when the driver decides to exit the freeway by going up a…

A:

Q: A 3.0 kg block is set moving with an initial speed of 20 m/s on a rough horizontal surface.  If the…

A: The initial velocity is 20 m/s. Because it comes to rest, the final velocity is zero. In order to…

Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal…

A: (b) Solution :   The work done on the crate on a rough surface is, W = Force × Displacement   Heren…

Q: A 18-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 21 N.…

A:

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: According to Newton's second law -  F=ma Therefore,  a=Fm Given values,  m = 125 kg  F = 190 N a=190…

Q: A 0.30 kg puck is being pushed across a table with a horizontal force of 2.0 N. It starts from rest…

A:

Q: The engines of a tanker broke down and the wind pushes the ship with a constant speed of 1.5 m / s…

A:

Q: A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 24 N.…

A:

Q: As shown In the figure below, a box of mass m = 37.0 kg is sliding along a horizontal frictionless…

A:

Q: A 94109410‑kg car is travelling at 27.827.8 m/s when the driver decides to exit the freeway by going…

A: Given values:Mass of the car, M = 94109410 kgInitial velocity of the car, u = 27,827.8 m/sCoasting…

Q: A 79.6 kg base runner begins his slide into second base while moving at a speed of 4.1 m/s. The…

A: mass, m = 79.6 kg  initial  velocity, u = 4.1 m/s final velocity, v = 0 m/s friction = 0.64

Q: A 6.53 kg block initially at rest is pulled to the right along a horizontal surface by a constant…

A: The expression for the net force,

Q: Two blocks (m1=5.2 kg, m2=3.6 kg), initially held at rest, are connected by a string that passes…

A: As the acceleration of the system is zero, therefore the tension in the string is simply…

Q: A ski slides down a 25° slope for 25 m before taking off from a negligibly short horizontal ramp. If…

A: The given values are, θ=25°d=25 mv=15 m/s

Q: A (3500 kg) truck traveling at (25 m/s) suddenly brakes and skids to a halt. If the coefficient of…

A: Solution as

Q: A 93 kg man lying on a surface of negligible friction shoves a 56 g stone away from himself, giving…

A: Using the conservation of momentum we get M1 V1 = M2 V2 Where M1,V1 are the mass and velocity of…

Q: An object of mass m=2 kg placed on a rough horizontal surface is given an initial speed of 10 m/s…

A:

Q: skier with a mass of 45.0 kg slides down a slope 12.3 m long, inclined at an angle θ to the…

A: According to Newton's second law Net force F = ma

Q: A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.860 m/s  encounters a rough…

A: SOlution: Given that m = 92 kgv = 0.86 m/sL = 0.65 mcoefficient of friction = 0.36 F = 279 N

Q: Find the magnitude and direction of the net force on the crate while it is on the rough surface.

A:

Q: A soccer ball with mass 0.470 kg is intially moving with speed 2.10 m/s. A soccer player kicks the…

A: The applied force is F=41.0 N and the mass of the ball is m=0.470 kg. Hence the acceleration,…

Q: Suppose you are at a bowling alley, where a machine uses a constant force and pushes balls up a ramp…

A: The work done is given as, W = F x l

Q: A 19-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 29 N.…

A: Given: Mass of sled (m) = 19 kg. Magnitude of horizontal force (F) = 29 N. Final speed of sled after…

Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.845 m/s encounters a rough horizontal…

A:

Q: A 116-Newton horizontal force is exerted upon a 6.8-kg box to move it across a level surface at a…

A: Given Data Force is F = 116 N Mass is m=6.8 kg

Q: As shown in the figure below, a box of mass m = 26.0 kg is sliding along a horizontal frictionless…

A: Given, mass of box =26.0 kg initial speed = 7.20 m/s angle of inclined = 27.0 degree coefficient of…

Q: 7. A skier whose mass is 70 kg, takes off from ski jump with a velocity of 50 m/s at an unknown…

A:

Q: A cyclist is riding his bike at a constant speed of 5 m/s, and experiences a frictional force…

A: The equation for frictional force is given by, F=μkN Here, F is the frictional force, μk is the…

Q: Sarah and her bicycle have a total mass of 40 kg. Her speed at the top of a 10 m high and 100 m long…

A: Calculate the work done by the gravity. work done by gravity = m g Δh…

Q: A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 28 N.…

A: Here given a 17 kg sled is pulled by a horizontal force 28 N. From rest the sled attains a speed of…

Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 3.0…

A: The given values are, vi=3.0 m/sθ=21.0°m=16 kgμk=0.20

Q: A 4.0-kg object is moving at speed 2.0m/s. A 1.0kg object is also moving with a speed of 2.0 m/s.…

A: The net force on the object is, F=maa=Fm The kinematic equation can be given as,…

Q: A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.870 m/s  encounters a rough…

A: (a)  Write the expression for net force on the crate .

Q: Suppose the roller skating woman has a mass of 41.3 kg. Her roller blades have a coefficient of…

A:

Q: David throws a 50 kg cart down a ramp with an initial speed of vi = 6 m/s. The ramp is at an angle…

A:

Q: A block with mass m = 6 kg is being pulled on a frictionless horizontal surface by a force F a…

A: Mass = m = 6kg Force = F = 10 N initial velocity = 2 m/ s Final velocity = 5 m/s

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.