Anonymous
Anonymous asked in Science & MathematicsPhysics · 1 month ago

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

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  • 1 month 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.

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