Physics, 29.10.2019 04:31 sierranowe2003
An office worker has his lunch on the 53rd floor of an office building. in which case is the gravitational potential energy of the lunch-earth system greatest? an office worker has his lunch on the 53rd floor of an office building. in which case is the gravitational potential energy of the lunch-earth system greatest? the worker carried the lunch up to the 53rd floor in the elevator. the worker got a ride in a helicopter to the top of the 68-floor building and then carried the lunch down in the elevator to the 53rd floor? the worker carried it up the stairs to the 53rd floor. gravitational potential energy does not depend on the path taken.
Answers: 2
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Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1
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Physics, 22.06.2019 17:00
If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction
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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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Physics, 22.06.2019 22:50
Which of the following statements correctly describes a transformer?
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An office worker has his lunch on the 53rd floor of an office building. in which case is the gravita...
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