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Formulate an equation to determine the average strength of the electric field on the surface of the cube that encloses a charge of -q. Record your answer in variable form.
An atomic bomb is rated at 10 Megaton TNT equivalents. (1 ton TNT equivalent is equal to 4.184 Mega joules of energy.) How many grams of mass are turned into energy in such an explosion?
A hoodlum throws a stone vertically downward with an initial speedof 11.3 m/s from the roof of abuilding, 28.0 m above theground. How long does it take the stone to reach the ground?
Determine, for the airflow through the frictionless and adiabatic converging-diverging duct of Example 11.8,
A force applied to an object of mass m1 produces an acceleration of 3.90 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 2.00 m/s2. (a) What is the value of the ratio m1/m2? (b) If m1 and m2 are combined into on..
A ball bearing is dropped from rest at a point A. At the instant it passes a mark 4.7 m below A, another ball bearing is released from rest from a position 5.7 m below A. At what time after its release will the second ball bearing be overtaken by the..
A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 87.5 dB. What is the combined sound level
Suppose that a billiard ball approaches a rail at a speed of 15 m/s and an angle od 60 degrees but rebounds at a speed of 10 m/s and an angle of 50 degrees. What is the change in momentum now
Explain what is the force felt by the electrons and the nuclei in the rod when the external field described in the problem introduction is applied?
a proton mass m 1.673 x 10-27 kg is bound in a finite square well of width 4fm. the depth of the well is six times the
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.44 m radius and is 1.8 m high. The walls are 1.0 cm thick.
The driver of the compact car suddenly applies the brakes hard for 2.0sec. Determine what is the change in momentum; that is, the direction and magnitude of the impulse, on the car
Find the minimum initial speed of a projectile in order for it to reach a height of 1961 km above the surface of the earth
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