Science, asked by ilsaperson01, 6 months ago

How much work must be done to stop a 1150-kg car traveling at 145 km/h ?

Answers

Answered by MasterYo
0

Answer:

By work energy theorem:-

=>W = ∆KE

=>W = 1/2mv^2

=>W = 1/2 x 1150 x (105 x 1000/3600)^2

=>W = 489149.31 J

Answered by NITIN3217
0

Answer:

Work done = ΔKE

W = 1/2mv²

⇒ W = 1/2 (1000) * (100 * 5/18)² = 385802 N

Explanation:

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