# B.1. A disc of mass 3kg is thrown upwards with an initial velocity...

**B.1. **A disc of mass 3kg is thrown upwards with an initial velocity of 50 m/s. For this case address the following:

a. When does the stone hit the ground?

b. By using mean value theorem find the time t , where the stone attains momentary rest before hitting the ground

c. What is the acceleration and speed of the stone when it is 80 *m* above the ground on the way up and on the way down?

d. Sketch the graph of displacement curve

Assume for the calculations.

Outside United States science education

## 1 Response

Interesting question. This seems like a school assignment. I suggest you ask your instructor for assistance.