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A 0.300 kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750m/s when it makes a head-on collision with a stationary 0.150 kg glider
A) Find the magnitude of the final velocity of first glider if the collision is elastic.
B) Find the magnitude of the final velocity of second glider if the collision is elastic.
C) Find the final kinetic energy of first glider.
D) Find the final kinetic energy of second glider.
A 10 capacitor initially charged to 30 is discharged through a 1.2 resistor. How long does it take to reduce the capacitor's charge to 7.
A luge and its rider, with a total mass of 82 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 43 m/s. Assume that they stop with the constant deceleration of 3.2 m/s2.
An engine has an efficiency e1. The engine takes input heat QH from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine.
Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 40.0s to speed up from rest to its top speed of 1 rotation every 1.50s, What is the astronaut's tangential acceleration during the first 40.0s
A person looks horizontally at the edge of a swimming pool. If its length is 5.00m, and the pool is filled to the surface, to what depth (in m) could observer see? For water is 1.33).
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
How much farther from the tower does the cannonball from the higher cannon land than cannonball from the lower cannon.
A merry-go-round starts from rest and accelerates uniformly over 23.5 s to the final angular velocity of 6.55 rev/min.
Regarding the Earth and a cloud layer 750 m above the Earth as the "plates" of a capacitor, calculate the capacitance. Assume the cloud layer has an area of 1 km2 and that the air between cloud and ground is pure and dry.
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 40 degree angle from the horizontal, what is the acceleration of the ball at its maximum height? The height of the basket is 3.05 m.
Determine the magnitude of the force between two point charges, Q1 = -2e located at (-3.60 cm, +4.10 cm) and Q2 = -8e located at (-0.60 cm, -8.60 cm).
Carlos weighs 900N on the surface of the earth. How much would he weigh in the satellite circling earth at an altitude of 3200km? (The earth's radius is 6400 km)
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