kinetic and gravitational potential energy calculations 2

• 49 J

• 98 J

• 10 J

• 9.8 J

What is the kinetic energy of a 500 kg car moving at 20 m/s?

• 100000 J

• 200000 J

• 10000 J

• 20000 J

A ball of mass 0.5 kg is thrown upwards with a velocity of 10 m/s. What is its kinetic energy at the moment it leaves the thrower's hand?

• 25 J

• 50 J

• 5 J

• 10 J

• 1960 J

• 980 J

• 196 J

• 9800 J

A cyclist and her bike have a combined mass of 80 kg and are moving at a speed of 5 m/s. What is the kinetic energy of the system?

• 1000 J

• 2000 J

• 500 J

• 400 J

• 2058 J

• 2100 J

• 1764 J

• 2940 J

What is the kinetic energy of a 0.15 kg baseball traveling at a speed of 40 m/s?

• 120 J

• 300 J

• 60 J

• 240 J

• 196 J

• 98 J

• 20 J

• 980 J

A roller coaster car with a mass of 500 kg is moving at a speed of 10 m/s. What is its kinetic energy?

• 25000 J

• 5000 J

• 10000 J

• 50000 J

• 441 J

• 450 J

• 490 J

• 442 J