Answer:
True
Explanation:
Just as Isaac Newton says, "For every action, there is an equal and opposite reaction."
Answer:
20 hz - 20khz is the audible sound wave for humans
Answer:
Explanation:
Given
launch velocity 
Launch angle 
Range of Projectile 


Horizontal velocity remain same and only vertical velocity changes.
Initially vertical velocity is in upward direction but as soon as it reaches the ground its direction change but magnitude remain same.



1 ampere is 1 coulomb of charge moving through a cross section in one second.
B = µo*N*I/2r
So B = 4πx10^-7*150*1.6/2*3.5 = 4.31x10^-5T