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A neutron of initial kinetic energy (Eini) scatters elastically from a target nucleus which is initiallt at rest. Find the maximum and average fractional kinetic energy loss F=1-(Efinal/Einitial) by the scattered neutron if the target is (a) H-2; (b) C-12; (c) u-238
Find out the magnitude of the friction force acting on the case. Laser light with a wavelength = 680 illuminates a pair of slits at normal incidence. What slit separation would produce first-order maxima at angles of 40 from the incident direction.
A block of mass 16.7 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 4.89 m/s2. a) What is the tension in the cable? b) What is the magnitude of the net force acting o..
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle.
How long did it take the apple to hit Newton after falling off? Draw a graph of velocity vs
One mole of a ideal gas initially at temp To=0C undergoes an expansion at a constant pressure of 1atm to four times it original volume
What is its velocity at impact? What will its average velocity be? What will its average speed be.
A fisherman reels in 15.0 of line while landing a fish, using the constant forward pull of 35.0. How much work does the tension in the line do on fish.
If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, explain how much acceleration will the other three produce?
A diver 40 m deep in 10 degree Celcius fresh water exhales a 0.50-cm-diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celcius? Assume that the air bubble is always in..
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
An airplane flies at airspeed (speed relative to the air) 112 km/h, In what direction should the pilot head the plane and What would be the ground speed of the plane
On a dry day, just after washing your hair to remove natural oils and drying it in detail, run a plastic comb through it. Small bits of paper will be attracted to the comb. Describe why.
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