Question

What is the acceleration of a ball traveling horizontally with an initial velocity of 20 m/second and 2.0 seconds later a velocity of 30 m/second?

a) 5 m/s²
b) 10 m/s²
c) 15 m/s²
d) 20 m/s²

Answer 1

The acceleration of the ball is 5 m/s².

Step-by-step explanation:

The acceleration of an object can be calculated using the equation:

Acceleration (a) = (final velocity - initial velocity) / time

In this case, the initial velocity is 20 m/s and the final velocity is 30 m/s. The time is 2.0 seconds. Plugging these values into the equation, we get

Acceleration (a) = (30 m/s - 20 m/s) / 2.0 s = 5 m/s²

Therefore, the acceleration of the ball is 5 m/s².