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Alpha particles of energy 9.4 MeV are incident on a silverfoil of thickness 6.8m. For a certain value of the impact parameter, the alpha particles lose exactly one-third of their incident kinetic energy when they reach their minimum separation from the nucleus. Find the minimum separation rmin, the impact parameter b, and the scattering angle?.
As you get ready for your early morning physics class, you comb your hair in front of a planar mirror. How far away from you is your image
0.0029 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart
An emf is induced in a conducting loop of wire 1.11m long as its shape is changed from square to circular.Find the average magnitude of induced emf if the change in shape occurs in 4.03s and the local 0.135-T magnetic field is perpendicular to the ..
Consider two simple pendulums p and q of equal length l and mass m1 and m2 respectively. assume the bobs of the pendulum are connected to each other by a weightless spring of force constant k such that in the equilibrium position,the spring is uns..
a ball with mass 1kg is dropped from a height of 6m. the ball is caught by a person 2m above the ground.a. how much
a science-fair radio uses a homemade capacitor made of two 35cm x 35cm sheets of aluminum foil separated by a
A 1000N beam is loaded with a 2000N filing cabinet and supported by two cables. If the beam is 8 meters long and the filing cabinet is 2 meters from the left cable, what is the tension force in each cable? total of both tension? tension in left cable..
A space vehicle is coasting at a constant velocity of 20.6 m/s in the +y direction relative to a space station. determine the magnitude of the vehicle's velocity
a circular gate of 0.6m radius is hinged so it rotates about the horizontal diameter i.e. it rotates about a horizontal
a person (weight W = 598 N, L1 = 0.849 m, L2 = 0.398 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot
An eagle is flying horizontally at a speed of 3.00 m/s when the fish in her talons wiggles loose and falls into the lake 5.00 m, Calculate the velocity of the fish relative to the water when it hits the water
to heat 1 cup of water 250 cm3 to make coffee you place an electric heating element in the cup. as the water
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