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If you’re given distance and time in a question, and asked for an acceleration in distance per time 2, look at the formulas that have distance, time, and distance per time 2 in them.
If anyone needs a good equation sheet check (for this level of physics) check out the AP Physics B (& C) fomula sheets and the IB Physics HL formula sheets. They will include everything here, and optics, relativity, etc.
Objects on earth fall at 9.8 meters per second per second, so after 1 second an object would have a velocity of 9.8 m/s. The formula for distance is (1/2)gt^2, so after 1 second, 4.9 meters. https://en.wikipedia.org/wiki/Equations_for_a_falling_body
Look at M = x_m H and I think you will clear up your confusion. Also, this is a formula sheet for tests/quizzes/homeworks...It is meant to be compact and used as a quick reminder. If you are actually taking the class and/or have read the book then this would be all that you needed.
If you can give us an idea of the level you're at we can probably provide equations necessary to reproduce all the physics you'll encounter in your course. However, and I stress, you *have* to know when which equations applies and what the variables mean in the context they're being used.
One leg is the horizontal distance from one to the other, (x2 - x1) and the other leg is the vertical distance from one to the other, (y2 - y1). So d^2 = (x2 - x1)^2 + (y2 - y1)^2. d=sqrt (x2-x1) 2 + (y2-y1) 2 ). Points are (x1, y1) and (x2, y2). Either point can be 1 or 2. Hello, this distance formula is actually:
To calculate distance add up the length of the line segments. To calculate displacement find where it started and where it ended up and draw a line connecting those points. Then calculate the length of the line, which you can do in many ways depending on where the line is.
