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A bullet of mass 0.5 kilogram is headed at horizontal speed 130 m/s toward a block of mass 4.5 kilogram resting on a horizontal frictionless surface. The bullet strikes the block and comes to rest relative to the block somewhere deeply embedded inside the block.
Find what average force did the block exert on the bullet if it took 0.07 second to stop the bullet?
A particle with a positive charge q= 8.6x10^-6C and a mass m= 0.45g moves with velocity v = 8m/s parallel to a wall. Find the sign and magnitude of the magnetic field
A coordinate system S' moves with constant velocity along the x axis of a second coordinate system S. If, as measured in S, two events occur at the same place and are separated in time by deltat, what is the spatial separation of these two events as ..
a 5.9cm -thick layer of oil n1.46 is sandwiched between a 1.5 -thick sheet of glass and a 2.5 cm-thick sheet of
An ideal (Carnot) engine has an efficiency of 43 percent. If it were possible to run it backward as a heat pump. Compute what would be its coefficient of performance
Apply two forces to a ring by hanging a mass of 100g at 30 degrees and a mass of 200g at 150 degrees. Find the third force and angle needed to keep the ring in static equilibrium at the center of the table.
you have designed a rocket to be used to sample the local atmosphere for pollution. it is fired vertically with a
A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18 degrees from the vertical, What angle does it make with the vertical
What is the approximate mass of the cat.
On a cold night the temperatures of the two surfaces of a glass windowpane in a house are 7.8° C on the outer surface, Find the rate at which heat is conducted through the glass per square meter of window area
A bicycle racer is traveling at 10 m/s with an acceleration of 0.5 m/s^2. The radius of the bicycle wheel is 33 cm. What is the angular velocity of the bicycle wheels
Find the frequency in terahertz of visible light with a wavelength of 485 nm in vacuum. What is the wavelength in centimeters of electromagnetic microwave radiation whose frequency is 7.61 GHz?
An oscillating LC circuit consisting of a 2.0 nFcapacitor and a 3.8 mH coil has a maximum volatage of 6.0V. What is the maximum current through the circuit
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