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In _______________ motion, an object moves in a straight line with a constant acceleration.
vertical
The motion of a thrown ball is an example of _______________ motion.
projectile
The law of _______________ of momentum states that the total momentum of a closed system remains constant over time.
conservation
The energy an object has due to its position or configuration is known as _______________ energy.
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The energy associated with the movement of charged particles, such as electrons, is known as _______________ energy.
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Explain how the concept of potential energy is related to the vertical motion of an object.
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A car accelerates uniformly from rest to a speed of 30 m/s in 5 seconds. Calculate the acceleration of the car.
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A cannonball is fired at an angle of 45° above the horizontal with an initial velocity of 50 m/s. Calculate the time of flight of the cannonball.
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A 2000 kg car traveling at 20 m/s collides with a stationary 3000 kg truck. Calculate the velocity of the system after the collision, assuming a completely inelastic collision.
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A battery supplies a current of 2 A to a resistor of 10 Ω for 5 minutes. Calculate the total work done by the battery.
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