3. which of the following the best example of a hypothesis: (1 pt)
a) i think the marble will...
3. which of the following the best example of a hypothesis: (1 pt)
a) i think the marble will go farther when i increase the height of the ramp.
b) the speed of the car will increase when the time decreases.
c) if the ball is dropped from an increased height, then its bounce will also increase.
d) i believe that too much tv is bad for your vision.
Answers: 1
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Suppose you use a machine that gives you a mechanical advantage of 2 to achieve an output force of 30newtons what must the input force be
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Polly is pushing a box across the floor with a force of 30 n. the force of gravity is β8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
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Who was the first scientist to measure speed as distance over time?
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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