30mi/6hrs is a speed of 5 mph, which converts to a pace of 12 min/mi.
Answer:
option A
Explanation:
wave speed= 650×35= 22750 m/s
hope it helps !
KE = 1/ 2 * 1252 * 144
as KE = 1/2 * m * v ^2
= 90144 J
Acceleration is the rate at which an object picks up speed. deceleration is the rate at which an object loses speed.