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8 Cards in this Set
- Front
- Back
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what is average velocity
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displacement over time
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what is average speed
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total distance over time
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a sprinter runs 300 m north and then 400 meters east in 100 sec. what is his average speed? what is his average velocity?
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speed 700/100 = 7m/s
velocity is 500 (pythag) = 5m/s |
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what is acceleration
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change in velocity/ change in time
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what is the big five
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d = 1/2(vot +v)t missing a
v = vo +at missing d d = vot + 1/2at^2 missing v d = vt - 1/2at^2 missing v0 v^2 = vp^2 + 2ad missing t |
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what is the square root ot 1600
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40
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a ball is thrown staright upsward with an intital spee of 30 m.s. how high will it go? what is v final?
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0 because it asks how high it goes
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if you drop a heavy ball and a light ball which one hits the ground first
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at the same time
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