A loaded sledge of overall mass 90 kg, starting from rest,  slides down a smooth incline of 1 in 10 and takes 10 seconds to reach the bottom of the slope. The speed at the end of the ride and the distance of travel are:

Q: A car is traveling down a hill that makes an angle of 21° with the horizontal. The driver applies…

A:

Q: After rounding second base, a baseball player with a mass of 77 kg slides into third base. The…

A:

Q: A mover has to move a heavy sofa of mass 100 kg to the second floor of the house. He uses a rope to…

A:

Q: A 50.0 kg man standing on a spring scale takes a descending elevator ride (DOWNWARD). Starting from…

A:

Q: It was a snow day, so Eric and some friends went sledding. He boarded his 60-inch sled and descended…

A:

Q: You place a crate of mass 20.1 kg on a frictionless 4.69-meter-long incline. You release the crate…

A:

Q: You are pushing a 40 kg sled across some snow with a coefficient of friction of 0.2. How much force…

A: Answer :  The force required to push must be 78.4N .

Q: An athlete pulls a box E of mass m = 70kg down an incline, as shown. The coefficients of friction…

A:

Q: A frictionless plane is 10.0 m long and Inclined at 28.0°. A sled starts at the bottom with an…

A: The acceleration of the sled is, a=mgsinθm=gsinθ=9.8 m/s2sin28°=4.60 m/s2 (a) The time taken by the…

Q: SCSU physics and astronomy student club has a recently established tradition of pumpkin drop, from…

A: According to the Newton's laws of motion , the final velocity (v) and the displacement () are…

Q: A box of mass 37 kilograms is being pushed as constant speed in a straight line across the floor by…

A:

Q: A block of mass 5 kg starts to slide down a frictionless plane having an inclination of 25.0° from…

A: mass of block = 5 kg Length of incline = 2 m angle of inclined plane = 25oInitial velocity at the…

Q: A block slides down a frictionless plane having an inclination of 0 = 18. The block starts from rest…

A:

Q: A penguin slides at a constant velocity of 2.54 m/s down an icy incline. The incline slopes above…

A:

Q: An empty box is travelling on the conveyor with 0.2 m/s, then 12 kg package is dropped into this box…

A: please see the next step for solution

Q: A block slides down a frictionless plane having an inclination of ? = 15.9°. The block starts from…

A: a) Draw the free-body diagram of the block.

Q: A 2 kg box is against a vertical wall by a small force (f1=10n) perpendicular to the surface of the…

A:

Q: You place a crate of mass 38.8 kg on a frictionless 2.20-meter-long incline. You release the crate…

A:

Q: stly, physicist like to express friction forces in terms of the efficient of friction µ, so that = µ…

A: The problem can be solved using free body diagram and equation of motion.The solution for the given…

Q: Three blocks (as shown in the figure) are released from rest and they start to accelerate with a…

A: Step 1: here we have derived the equation of motion of the masses Step 2: here we have calculated…

Q: A box is initially sliding up a 32.5° incline at a speed of 13.0 m/s. The coefficients of friction…

A:

Q: The coefficient of sliding friction between the tires of a car and the road surface is u = 0.5. The…

A:

Q: A frictionless plane is 10.0 m long and inclined at 32.0°. A sled starts at the bottom with an…

A: Length of the plane, Inclination of the plane, Initial speed of the sled at the bottom,

Q: A crate of mass 55.6kg is being transported on the flatbed of a pickup truck. The coefficient of…

A: Given data:     The mass of crate is: m = 55.6 kg The coefficient of kinetic friction is:  = 0.320…

Q: TEACHER A frictionless plane is 10.0 m long and inclined at 30.0°. A sled starts at the bottom with…

A: Kinematic equations of motion are- 1) v=u+at2) s=ut+12at23) v2=u2+2as where,u is initial velocityv…

Q: A 7-kg toboggan is kicked on a frozen pond, such that it acquires a speed of 2.1 m/s to the right.…

A: Given Mass of the toboggan is m=7 kg Initial speed of the toboggan is v0=2.1 m/s Final speed of the…

Q: car starts from rest and accelerates at a constant rate until it reaches 90 mi/hr in a distance of…

A:

Q: The 1.5 Mg = 1,500 kg sports car has a tractive force of F = 4.5 kN = 4,500 N. If it produces the…

A: The mass of the car, m=1500kg The tractive force, F=4500 N The velocity of the car, v=-0.05t2+3t m/s

Q: A block slides down a frictionless plane having an inclination of 0 = 17.6°. The block starts from…

A: Note:- The forces acting on a block on an incline are gravity (weight) and normal force.Given - The…

Q: Graph the body’s speed for 0 ≤ t ≤ 10

A: For an object moving in a straight line, speed is the magnitude of the velocity.

Q: You place a crate of mass 25.1 kg on a frictionless 3.17-meter-long incline. You release the crate…

A: Correct option is (b) 21.8 °

Q: A crate slides down a ramp 24.37 m long inclined at 25.71°. How long will it take to reach the end…

A:

Q: with an initial speed of 8.10 m/s stops propelling himself and begins to coast across the ice,…

A:

Q: the patio. He neglects to bend his knees on landing, taking 2.4 cm to stop. (a) What is his average…

A:

Q: A block slides down a frictionless plane having an inclination of 0 = 18.6°. The block starts from…

A: a)Free body diagram:

Q: A frictionless plane is 10.0 m long and inclined at 37.0°. A sled starts at the bottom with an…

A:

Q: An airplane starts from rest on the runway. The engines exert a constant force of 78.0 KN on the…

A: Required : Distance traveled on the runway.

Q: A car with a mass of 1.3x103 kg is skidding to a stop along a horizontal surface. The car…

A:

Q: You place a crate of mass 47.7 kg on a frictionless 3.61-meter-long i to slide down, eventually…

A: The angle of incline is 33. 62° The answer is option (4) approximate 33.8°

Q: A small vochito of mass 607 kg breaks down as it climbs a hill with an angle of inclination of 17°…

A: Given A small vochito of mass, m=607kg Angle of inclination, θ=170 Coefficient of friction between…

Q: A city is trying to determine the speed limit for a given stretch of road. If a stop sign is visible…

A:

Q: A block is sliding along a horizontal surface where the coefficient of kinetic friction is 0.5…

A: Given Data: The coefficient of kinetic friction between the block and the surface is, μk=0.5 The…

Q: A mover has to move a heavy sofa of mass 118 kg to the second floor of the house. He uses a rope to…

A: Given data:  Mass (m) = 118 kg Angle (θ) = 30.0°,above the horizontal Acceleration (a) = 0.700 m/s2…

Q: A wrench is dropped from the top of a tall tower. It takes 3.07 s to reach the ground. How tall is…

A: Given: The inial speed of the wrench is 0 m/s. The time taken by the wrench to reach the ground is…

Q: An amusement park in Dubai has a ramp which is frictionless. A child drops a smooth object and it…

A: By virtue of its height, the potential energy of the object at the top of the ramp is…

Q: A speedboat is cruising at a speed of 11.8 m/s in still water when it shuts off its engines and…

A:

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.