A projectile with a mass of 910 g is traveling at a speed, Ask an Expert

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A projectile with a mass of 9.10 g is traveling at a speed of 1.10 km/s, determine the following.

1. Kinetic energy of the projectile in kilojoules: ________ kJ

2. Kinetic energy of the projectile in kilojoules, if its speed is reduced with a factor of two: __________ kJ

3. Kinetic energy of the projectile in kilojoules, if it original speed is increased by a factor of three: ________ kJ

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