PH-890
Kinetic energy
Physics · Secondary 3 · Hard · Kinetic energy
A 0.20 kg ball is thrown horizontally at a speed of 8.0 m/s from a balcony 6.0 m above the ground. Take gravitational field strength as 10 N/kg and neglect air resistance.
What is the total mechanical energy of the ball at the instant it is thrown?
What is the total mechanical energy of the ball at the instant it is thrown?
- 18.4 J
- 6.4 J
- 12 J
- 24.4 J
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