Physics, 11.07.2021 05:30 ashl3yisbored
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Describe what characterizes science and explain the difference between a hypothesis, a theory and a scientific law.
Explain Newton’s 3 laws of motion by using the example of a rollercoaster.
Breakdown and explain, in terms of frame of reference, if you’re inside a moving train everything on the outside can seem to be moving.
Propose a way to explain to someone the differences between the terms: speed, velocity and acceleration.
If you’re in a car moving at a high speed, and you stop abruptly, what would happen when wearing a seatbelt as opposed to not wearing a seat belt? Which of Newton’s 3 laws would apply?
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Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.
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