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3.A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg.The car has______ energy.calculate it

4.A cinder block is sitting on a platform 20 m high.It weighs 7.9 kg.The block has ______energy . calculate it​

INSTRUCTION: Solve the following word problems using the kinetic and potential energy formulas.Show the solution

3A Car Is Traveling With A Velocity Of 40 Ms And Has A Mass Of 1120 KgThe Car Has Energycalculate It4A Cinder Block Is Sitting On A Platform 20 M HighIt Weighs class=

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Answer:

3. 896,000 J

Explanation:

KE=1/2mv²

    =1/2(1120)(40)²

    =(560)(1600)

     =896,000

Answer:

1548.4 J

Explanation:

PE=mgh

    =(7.9)(9.8)(20)

    =(77.42)(20)

     =1,548.4

Hope it helps!! :)

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