What is the kinetic energy of the same car

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Reference no: EM132242403

Questions -

Q1. Missy Diwater, the former platform diver for the Ringling Brother's Circus has a kinetic energy of 10 000 J just prior to hitting a bucket of water. If Missy's mass is 50 kg, then what is her speed?

Given: m= 5.0 x 10 kg

Ek= 1.0 x 104 J

Required: v = ?

Q2. A 7.50 x 102 kg compact car moving at 20.0 m/s has 1.50 x 104 J of kinetic energy. What is the kinetic energy of the same car if it is moving at 30.0 m/s?

Q3. Calculate kinetic energy for:

a. Space Station, mass 4.0 x 105 kg, speed 2.5 x 105 km/h.

b. Tractor trailer, mass 2.0 x 104 kg, speed 50.0 km/h.

c. Hockey Player, mass 1 0 x 102 kg, speed 1.0 x 10 m/s.

d. Pitched baseball, mass 0.14 kg, speed 3.0 x 10 m/s.

e. Electron, mass 9.1 x 10-31 kg, speed 2.0 x 108 m/s.

Reference no: EM132242403

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