Which of the following is an example of how a scientist might use a model?
1. a microsc...
Which of the following is an example of how a scientist might use a model?
1. a microscope is used to magnify a group of cells on a slide.
2. a stopwatch is used to time the rate of a chemical reaction.
3. a wrench is used to tighten a nut onto a piece of wood.
4. the end of a slinky is moved vertically up and down to simulate a wave.
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According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?
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