a car expands an energy of 25,000 J while moving at a constant speed of 5ms^-1 what is the mass of the car
Answers
Answered by
27
Answer:
Given,
Kinetic energy (K.E) = 25000J
Velocity = 5m/s
By applying, K.E = 1/2mv^2
25000 = 1/2×m×25
25000 = 12.5m
m = 25000/12.5
m = 2000kg.
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Answered by
1
Answer:
KE - 25000 J
v - 5m/s
KE = 1/2 mv²
25000 = 1/2 × m × 25
25000/25 = 1/2 × m
1000 = 1/2 × m
1000×2 = 1×m
2000kg = m
Please mark it as the brainliest answer. I really need help ......
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