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Questions in physics

📝 Answered - What is the momentum of a 4,000-kilogram truck traveling in a straight line at 10.0 m/s?

📝 Answered - If a ball is rolling at a velocity of 1.5 m/sec and has a momentum of 10.0 kg·m/sec, what is the mass of the ball?

📝 Answered - A motorcycle starts from a standstill. In 15 seconds, it reaches a velocity of 20 m/s. What is the motorcycle's average acceleration?

📝 Answered - How much work does the force of gravity do in pulling a 10 kg box down a 30º inclined plane of length 8.0 m? Note: \(\sin 30 = \cos 60 = 0.500\) and \(\cos 30 = \sin 60 = 0.866\).

📝 Answered - How can buoyant forces be measured?

📝 Answered - What is the volume, in liters, of a cube that is 20 cm on a side? If the cube is filled with water, what is the mass of the water?

📝 Answered - The distance between Earth and its moon is [tex]3.84 \times 10^8[/tex] meters. Earth's mass is [tex]m = 5.9742 \times 10^{24}[/tex] kilograms, and the mass of the moon is [tex]7.36 \times 10^{22}[/tex] kilograms. What is the force between Earth and the moon?

📝 Answered - Why is acceleration negative in free fall?

📝 Answered - The water skier has a mass of 68 kg. Calculate the resultant force acting on the water skier while accelerating.

📝 Answered - Explain why it is easier to climb a mountain on a zigzag path rather than straight up the side.