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A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20g bullets at 975m/s. The mass of the hunter (including his gun) is 68.5kg , and the hunter holds tight to the gun after firing it.
Part A Find the recoil speed of the hunter if he fires the rifle horizontally.
Part B Find the recoil speed of the hunter if he fires the rifle at 58.0? above the horizontal.
Illustrate what is the average emf that is induced in this coil if it is in a region where B=2.0 T upward, and the coil's plane is perpendicular to B?
In some Rutherford scattering experiments, the alpha particles had kinetic energies of 7.7MeV
A rocket moves upward, starting from rest with an acceleration of 29.9 m/s2 for 3.31 s. It runs out of fuel at the end of the 3.31 s but does not stop. Evaluate how high does it rise above the ground?
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
What is the speed of the two carts at the moment while their speeds are equal?
A soccer player kicks the ball toward a goal that is 16.0 m in front of him, Find the speed of the ball when the goalie catches it in front of the net
A lens has diameter of 30 mm, What is the lens' theoretical resolution limit (in nm) when it is used in air with light of 550-nm wavelength
A coil with an inductance of 16.8 H and a resistance of 5.5 ? is suddenly connected to a resistanceless battery with an ? = 194.0 V. What is the rate at which thermal energy is appearing
Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, what is the speed of the motorcycles
A CD has a mass of 17 g and a radius of 6.0 cm. When inserted into a player, determine the net torque acting on it
An electron travelling east with velocity 7.0 x10^5 m/s enters the same electric field region as in the previous problem. How far does it go before being turned backward
Two identical rods each of length L and charge Q are perpendicular to each other and separated by a distance D, Find the force between them
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