A machine transfers 600 J of energy in 3 s. What is its average power?
Choose an option to check your answer.
Power equals work divided by time.
P = W/t gives the stated value.
Practice MDCAT Physics questions with answers and explanations.
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Power equals work divided by time.
P = W/t gives the stated value.
Choose an option to check your answer.
Total momentum before equals total momentum after.
For sticking bodies, v = (m₁u₁+m₂u₂)/(m₁+m₂).
Choose an option to check your answer.
Power equals work divided by time.
P = W/t gives the stated value.
Choose an option to check your answer.
Total momentum before equals total momentum after.
For sticking bodies, v = (m₁u₁+m₂u₂)/(m₁+m₂).
Choose an option to check your answer.
Power equals work divided by time.
P = W/t gives the stated value.
Choose an option to check your answer.
Impulse equals change in momentum, J = m(v−u).
The sign indicates direction relative to the chosen positive axis.
Choose an option to check your answer.
Power equals work divided by time.
P = W/t gives the stated value.
Choose an option to check your answer.
Impulse equals change in momentum, J = m(v−u).
The sign indicates direction relative to the chosen positive axis.
Choose an option to check your answer.
Power equals work divided by time.
P = W/t gives the stated value.
Choose an option to check your answer.
Total momentum before equals total momentum after.
For sticking bodies, v = (m₁u₁+m₂u₂)/(m₁+m₂).
Choose an option to check your answer.
Range is R = u²sin2θ/g for equal launch and landing heights.
Substitution gives the stated value.
Choose an option to check your answer.
Time of flight is T = 2u sinθ/g.
Substitution gives the stated value.