Question

1. a bowling ball starts at rest and is accelerated to a speed of 18 miles per hour. if it takes a player 1.5 seconds to throw the bowling ball, what is the balls acceleration? 24 mph/sec 10 mph/sec 12 mph/sec 9 mph/sec

Explanation:

Step1: Recall the formula for acceleration

Acceleration \(a=\frac{v - u}{t}\), where \(v\) is final velocity, \(u\) is initial velocity, and \(t\) is time.
Given \(u = 0\) (starts at rest), \(v=18\) mph, \(t = 1.5\) sec.

Step2: Substitute values into the formula

\(a=\frac{18 - 0}{1.5}\)
\(a=\frac{18}{1.5}=12\) mph/sec

Answer:

12 mph/sec