Calculate the work required to stop

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Reference no: EM132713102

Show all necessary formulas and procedure until the end. Data that may be necessary:G= 6.67 × 10-11N.m22

/kg 

M earth= 5.98 × 1024kg

R Earth= 6.38 × 106m

  1. Calculate the work required to stop a 1000 kg vehicle traveling at 72 km / h.
  2. A baseball (m = 150 g) traveling at 30 m / s moves an outfielder's glove 20 cm back when it receives the ball. Find the average force exerted by the ball on the glove.
  3. Determine the power that a pump motor must have to lift 20 kg of water per minute to a height of 3 m.
  4. A sled is pushed up a frictionless slope of 23?. Determine the initial velocity that must be imparted to it to reach a maximum vertical height of 1.5 m.

Reference no: EM132713102

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