Question

Quick Question! If a rock falls for 1 second, what is its average speed during that second ?

The answer is 16 ft/s, but I don't understand why. Thanks for the help!

Answer 1

@amistre64 @ganeshie8 @Nnesha @AlexandervonHumboldt2 @Whitemonsterbunny17 @Ashleyisakitty @Jaynator495 @Squirrels @TheAsker2002 @Teddyiswatshecallsme

Answer 2

The initial velocity is zero. After falling for 1 second, its velocity is 32 ft/s. The average of the two velocities is 16 ft/s.

Answer 3

where'd you get 32 ft/s from?

Answer 4

@ospreytriple

Answer 5

\[v=a \Delta t\]with acceleration of gravity = 32 ft/s^2 and the time interval = 1 s.\[v=\left( 32 \frac{ft}{s^2} \right)\left( 1 s \right) = 32 \frac{ft}{s}\]

Answer 6

ohh, I get it. Thanks for the help, I really appreciate it! :)

Answer 7

You're welcome