1. Determine whether or not the path travelled has an effect on the work being performed if the starting
point and ending point remain the same. Consider cases when there is only one constant force acting on
an object and other times when the forces acting on the object depend on the path. Give an example of
each.
Answers: 3
Physics, 22.06.2019 20:50
In a game of pool, ball a is moving with a velocity v0 of magnitude v0 = 15 ft/s when it strikes balls b and c, which are at rest and aligned as shown. knowing that after the collision the three balls move in the directions indicated and assuming frictionless surfaces and perfectly elastic impact (that is, conservation of energy), determine the magnitudes of the velocities va, vb, and vc.
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What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
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Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?
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What about a rubber band, can it change its shape? is it a solid?
Answers: 2
1. Determine whether or not the path travelled has an effect on the work being performed if the star...
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