What is the difference between mass and weight?
Physics Honors - 2nd Quarter Review

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Physics
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12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Mass refers to the amount of matter that an object contains; weight refers to how heavy an object is due to the force of gravity.
2.
FLASHCARD QUESTION
Front
How do you calculate frequency from the number of spins and time?
Back
Frequency (Hz) = Number of spins / Time (s). For example, a ceiling fan spins 600 times in 20 seconds, so frequency = 600 / 20 = 30 Hz.
3.
FLASHCARD QUESTION
Front
What characterizes a perfectly inelastic collision?
Back
In a perfectly inelastic collision, two objects collide and stick together, moving as one mass after the collision.
4.
FLASHCARD QUESTION
Front
What did Galileo discover about pendulums?
Back
Galileo discovered that the only thing that matters is the length of the string for the period of a pendulum.
5.
FLASHCARD QUESTION
Front
How do you calculate the reindeerpower produced by Rudolph's jump?
Back
To find the reindeerpower, use the formula: (mass * gravity * height) / time, then divide by 746.
6.
FLASHCARD QUESTION
Front
What is the formula for gravitational potential energy?
Back
Gravitational potential energy (PE) = mass (m) * gravity (g) * height (h).
7.
FLASHCARD QUESTION
Front
What is the principle of conservation of momentum?
Back
The total momentum of a closed system remains constant if no external forces act on it.
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