What is the kinetic energy of a ball with a mass of 0. 5 kg and a velocity of 10 m/s? (formula:) 25 j 5 j 50 j 100 j.
1 answer:
Answer:
given,
mass(m)=0.5 kg
velocity(v)=10m/s
we know
kinetic energy=1/2mv^2
=1/2 *0.5*(10)^2
=25j
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I believe the answer is all of the above
Answer:
0.8 - 1.25
Explanation:
f = n ÷ t
period = 1 ÷ f
f = 20/25 = 0.8 Hz
period = 1/0.8 = 1.25 s
