# Physics

posted by .

Suppose the roller coaster in Fig. 6-41 (h1 = 30 m, h2 = 11 m, h3 = 20) passes point 1 with a speed of 2.10 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point 2? The distance traveled is 50.0 m.

• Physics -

i think the answer is big breasts

## Similar Questions

1. ### physics for scientists and engeneers I

Suppose the roller coaster in the figure (h1 = 40 m, h2 = 14 m, h3 = 30) passes point A with a speed of 2.60 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point B?
2. ### physics

A roller coaster of mass 1000.0 kg passes point A with a speed of 1.80 m/s?
3. ### Physics 1

Consider a roller coaster that moves along the track shown in the figure below. Assume all friction is negligible and ignore the kinetic energy of the roller coaster's wheels. Assume the roller coaster starts with a speed of 19 m/s …
4. ### Repost-Physics 1

Consider a roller coaster that moves along the track shown in the figure below. Assume all friction is negligible and ignore the kinetic energy of the roller coaster's wheels. Assume the roller coaster starts with a speed of 19 m/s …
5. ### physics

Suppose the roller coaster in Fig. 6-41 (h1 = 34 m, h2 = 10 m, h3 = 30) passes point 1 with a speed of 1.60 m/s. If the average force of friction is equal to one fourth of its weight, with what speed will it reach point 2?
6. ### physics

Suppose the roller coaster in Fig. 6-41 (h1 = 38 m, h2 = 11 m, h3 = 25) passes point 1 with a speed of 1.60 m/s. If the average force of friction is equal to one sixth of its weight, with what speed will it reach point 2?
7. ### Physics

This speed is the maximum possible speed attained by the roller coaster, or the “theoretical speed”. Roller coasters are carefully designed to minimize frictional forces so that they approach these theoretical speeds. The efficiency …
8. ### Physics

A 500 kg roller coaster starts from rest at point A (Fig. 6.29) and rolls freely (no friction) to point B where the brakes are applied and it slides along horizontally with a frictional force of 410 N. How far does the coaster slide …
9. ### physics

Suppose a roller-coaster car starts at a height of 39 m with a speed of 2.51 m/s. What will its speed be at height = 0m if the average force of friction is equal to 0.22 times its weight?
10. ### physics

A roller coaster car of mass 400kg starts from rest at point A and passes the point B with a speed of 3m/s.if the distance from A to B along the tracks is 20m,how large is the average friction force retarding the motion of the car

More Similar Questions