11.)A 25 kg block is to be pushed down a 7.0 degree incline and should have a speed of 18m/s at the end of 72 meter. Coefficient of kinetic friction is 0.10. How much force is needed to push it down?

Q: A roller coaster reaches the top of the steepest hill with a speed of it then descends the hill,…

A:

Q: An adult dolphin weighs about 1700 N. With what speed v; must he be moving as he leaves the water in…

A: Data Given ,  Weight of the dolphin ( W ) = 1700 N height of the jump ( h ) = 2.50 m

Q: Based on page 30 from the lecture note, match the answers with questions. the initial kinetic energy…

A: Given that: The file cabinet has a mass of 100 kg  you are pushing with a 700 N force in the…

Q: A 1000 kg roller coaster in an amusement park left the 65-m high launching platform to reach ground…

A: Solution: To solve this problem, we need to consider the energy conservation and the forces acting…

Q: A 25.0-kg crate is being pushed across a floor. The net horizontal force on the crate is 59.0N.…

A:

Q: A boy pulls a bag of baseball bats across a ball field toward theparking lot. The bag of bats has a…

A: The acceleration is,

Q: A dog with a mass of 59.0 kg slides down a wet slope with negligible friction. The dog starts from…

A: Given:Mass of the dog = 59 kgSpeed of the dog on the top of the slope = 0 m/sSpeed of the dog at the…

Q: A 1 kg Box slides down an inclined plane. It has an incline of 1.25664 radians and coefficient of…

A: Given: The mass of the box is m = 1 kg The coefficient of kinetic friction is μk = 0.44 The ramp…

Q: 4. A block of mass m = 3.00 kg is released from rest at h=0.5 m above the surface of a table, at the…

A: m = 3 kg h = 0.5 m μ = 0.1using conservation of energy mgh = (1/2)(mv2) + μmg(h/sinθ) * cosθ9.8*0.5…

Q: An arrow of mass 0.018 kg is shot upward at an angle from the ground, reaching a maximum height of…

A: Mass of arrow: m = 0.018 kg Maximum height: hmax = 25 m Horizontal speed of arrow at maximum 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.