The quarterback because he needs to be still for that split second while waiting for the ball to reach his hands, while everyone else is free to move when the ball moves
just write why you choose the muscle it's easy just write how you thought it might be interesting or you wanted to know more abt it or whatever. I rlly hope this helped
Answer:
speed =wavelenght x frequency
v=4.5 x 10 to the -7 x 667=0.3 x 10 to the -4 m/s
speed= distance/time
time=distance/speed
t=4 x 10 to the 16/0.3 x 10 to the -4=13.33 x 10 to the 20 seconds
Explanation:
Answer:8.69 m/s
Explanation:
Given
mass of Empty train 
velocity of car 
mass of Boulder 
Since no External force is acting therefore conserving Momentum
Train and boulder moves with same velocity after collision



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