angelequej3459 angelequej3459

11-10-2022
Physics

Answered

a 66-kg skier starts from rest at the top of a 1200-m-long trail which drops a total of 170 m from top to bottom. at the bottom, the skier is moving 11 m/show much energy was dissipated by friction?

Answer :

Other Questions

a roller coaster starts at rest at the top of a 51-meter-high frictionless track. at the bottom of the track, what is the approximate speed of the roller coaste

a race car starts from rest in the pit area and accelerates at a uniform rate to a speed of 37 m/s in 11 s , moving on a circular track of radius 500 m. the car

A roller coaster car, 500 kg, starting at a point 80 m above the lowest point of the track. The car travels from 8 m·s -1 down the steep track. There is no fric

Result A 90 kg astronaut, initially at rest, throws a 5 kg oxygen tank at 1 m/s away from himself. What is the new speed and direction of the astronaut?

The table shows the mass and net force of two cars moving down the same road. Without performing any calculations, which car will experience a greater accelerat

A spring has a spring constant of 15 N/cm. Which of the following hanging mass would produce an extension of 3.0 cm? a. 4.5 kg b. 5.0 kg c. 200 g d. 45 kg

A bird is flying with a speed of 13.8 m/s over water when it accidentally drops a 1.60 kg fish. The acceleration of gravity is 9.81 m/s 2 . If the altitude of t

calculate the force (in n) needed to bring a 850 kg car to rest from a speed of 80.0 km/h in a distance of 105 m (a fairly typical distance for a non-panic stop

coal is lifted out of a mine a vertical distance of 63 m by an engine that supplies 475 w to a conveyor belt. how much coal per minute can be brought to the sur

A horse can travel around 43.5 km/h. At top speed how far could the horse travel in 5 minutes? (Step by step please)