Answer:
it does use it at doppler
Explanation:
My dad told me the hes a cop so yw
Answer:
option (A)
Explanation:
The a body having rest mass is mo is moving with velocity v which is of the order of velocity of light in vacuum, so the mass of the body increases. According to the formula

As the velocity increases, the mass m of the body increases. As the velocity of the object is equal to the velocity of light in vacuum, then the mass of the body becomes infinite.
Answer:
1000 kg
Explanation:
We know the formula for finding out weight is W=mg
W= 10,000 N
M=?
g=10 N/KG
W=mg
10,000=10m
m=1000kg
Answer:
An airplane flying
Explanation:
Both a bird and airplane fly, but the airplane is using more mechanical energy to run and power the plane, causing it to fly.