Question

A car traveling at 10 m/s has 200,000 J of kinetic energy. What is the mass of the car?

Answer 1

Answer:

k.e = 200000j

v = 10m/s

k.e = 1/2mv^2

200000= 1/2×m×(10)^2

200000=1/2×m×100

200000÷2/1=m×100

100000=m×100

100000/100=m

m = 1000

Explanation:

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