nless otherwise stated, all objects are located near the Earth\'s surface, where
ID: 1579304 • Letter: N
Question
nless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2 .
A gun is fired and a 52 g bullet is accelerated to a muzzle speed of 130 m/s .
Part A
If the length of the gun barrel is 0.80 m , what is the magnitude of the accelerating force? (Assume the acceleration to be constant.)
show work please
nless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2 .
A gun is fired and a 52 g bullet is accelerated to a muzzle speed of 130 m/s .
Part A
If the length of the gun barrel is 0.80 m , what is the magnitude of the accelerating force? (Assume the acceleration to be constant.)
show work please
Explanation / Answer
Applying work - energy theorem,
Work done by force = change in KE
F d = m v^2 /2 - 0
F ( 0.80) = (0.052) (130^2) / 2
F = 549.25 N ....Ans
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