Question

denise is conducting a physics experiment to measure the acceleration of a falling object when it slows down and comes to a stop. she drops a wooden block with a mass of 0.5 kilograms on a sensor on the floor. the sensor measures the force of the impact as 4.9 newtons. whats the acceleration of the wooden block when it hits the sensor? use f = ma

a. 2.45 m/s²

b. 4.4 m/s²

c. 5.4 m/s²

d. 9.8 m/s²

Explanation:

Step1: Identify given values

$F = 4.9\ \text{N}, m = 0.5\ \text{kg}$

Step2: Rearrange $F=ma$ for $a$

$a = \frac{F}{m}$

Step3: Substitute values and calculate

$a = \frac{4.9}{0.5} = 9.8\ \text{m/s}^2$

Answer:

D. 9.8 m/s²