## Trending News

Promoted

Anonymous

# A bowling ball is dropped on a moon from the height of 14 m. The acceleration of gravity on the moon is 4 m/s2. ?

Determine the time it took for the ball to crash at the surface. Round your answer to the nearest whole number?

b. 1 s

c. 4 s

d. 3 s

### 1 Answer

Relevance

- MorningfoxLv 74 weeks ago
I would solve it by using the standard equation.

distance[final] = distance[start] + speed[start]*time + 0.5*acceleration*time^2

Plug in the numbers in this problem

0 = 14 + 0.5*(-4)*t^2

14 = 2*t^2

7 = t^2

2.646 = t

That's sort-of close to 3.

Still have questions? Get your answers by asking now.