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Question: A rifle with a barrel length of 60 cm fires a 11g bullet with a horizontal speed of 350m/s . The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How long does it take the bullet to come to rest after entering the wood?
A diving board of length 3.00 m is supported at a point 1.00 m from the end, and a diver weighing 530 N stands at the free end (Figure 1) .
Thermal expansion increases the length of a clock's pendulum by a fractional increase of 4.1×10^-5, Under these conditions, how much error in timekeeping accumulates over 1 day
An automobile has a total mass of 1600kg. It accelerates from rest to 30km/h in 40 s. evaluate the total kinetic energy of the automobile
Think normally about Compton scattering and derive a formula for the kinetic energy imparted to the electron after the photon collision. Your expression must be in terms of the incident photon energy and the angle the photon scattered at.
a charge uniform linear density 7.60 ncm lies on a string that is stretched along an x axis from x 0 to x 2.00 m.
If the magnitude of the drift velocity of free electrons in a copper wire is 7.12 10-4 m/s, what is the electric field in the conductor
Suppose a car is traveling at +21.1 m/s, and the driver sees a traffic light turn red, What is the stopping distance of the car, as measured from the point where the driver first notices the red light
two charges of identical mass m one with charge q the other with charge 2q hang from strings of length l from a common
The magnetic field of an electromagnetic wave in a vacuum is B_ z = ( 4.0mu T )sin( 1.0×107 x - 2 pi f t) , where x is in m and t is in s. what is the wave's electric field amplitude
What effects do you think increased or decreased immigration will have on jobs, security, and culture? How might this lead to social change? (Please respond in 150-250 words)
You shoot a cannon with initial velocity 62.3 m/s at an angle 67 degrees with respect to the level field on which the cannon sits. How far does this cannonball go on level ground
Assume the intensity of solar radiation incident on the cloud tops of the Earth is 1 518 W/m2. (a) Taking the average Earth–Sun separation to be 1.496 1011 m, calculate the total power radiated by the Sun. W (b) Determine the maximum value of the ele..
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