Answer:
The toy car. An object that isn't moving has no momentum
Explanation:
formula for gravitational P.E =mgh
Solution:-mass=3kg height=5metre and gravity=9.8 or 10m/sec² so P.E=mgh , 3×9.8×5=147kgm²/sec²
The answer is ultraviolet rays
Answer:D
Explanation:
Because u have to make observation then ask a question