Physics, 14.02.2022 07:20 gorbyalexis
A skateboarder begins at the top of a 4 meter ramp. When they reach
the other side of the ramp, they don't make it all the way to the top.
Instead, they only reach a height of 3.8 meters. Why? *
A. The skater gains chemical potential energy as they fall
B. Energy is removed by gravity
C. Energy is removed from the system as heat
D. The natural state of all objects is to be at rest on the ground
E. Energy is not conserved in this scenario
Answers: 1
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Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference
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Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
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A skateboarder begins at the top of a 4 meter ramp. When they reach
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