-70560, -9.8/2 = -4.9
120^2 = 14400.
Now you multiply 14400 * -4.9 = -70560m.
increaskng the impulse also <u>increases </u><u>momentum</u>
Answer:
no you would not hear an echo if you shouted in your bedroom
Explanation:
Echo is a sound produced when the original sound is reflected by walls of a given room. ... So for the case of a bedroom, no echo is produced because there are stuff and the furniture block the sound from reaching the wall hence no bouncing back of sound.
so sorry if i'm wrong :)
D) Less than 20.
Explanation:
Equivalent resistance in a parallel combination is less than their individual value.