What is the mass of an object moving at a speed of 9.0 m/s with a kinetic energy of 200 J? Group of answer choices

2.5 kg

4.9 kg

44 kg

1.2 kg

0.81 kg

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Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory