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Suppose you have a near-point distance of 16 cm. The angular resolution of the eye is determined by diffraction (see the Rayleigh criterion) and is approximately 2 arcmin. (Note that 1 degree=60 arcmin.) What is the smallest object your bare eye can resolve? Please show your work
Baseball and the Washington Monument On August 25, 1894, What was the ball's direction of motion when caught? answer in degree
An infinite plane of surface charge density +.2uC/m^2 is in the y-z plane at x=0, What is the magnitude of the electric field close to the surface
A 1300 {rm kg} car rolling on a horizontal surface has speed v = 64 km/h when it strikes a horizontal coiled spring and is brought to rest in the distance of 2.80 m.
Four particles with masses 7 kg, 6 kg, 2 kg,and 5 kg are connected by rigid rods of nelgigible mass as shown. Find the rotational energy of the system
A 0.12-kg ball is placed in a shallow wedge with an opening angle of 120°, as shown in the figure. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless. Find contact force o..
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
A 23 m long copper wire,2.00 mm in diameter including insulation, is tightly wrapped in a single layer with adjacent coils touching, to form a solenoid of diameter 2.5 cm, What is the length of the solenoid
Illustrate what is the magnitude of the change in momentum of the ball while in contact with the bat if the ball leaves with a velocity of (a) 18 m/s, vertically downward, and (b) 18 m/s, horizontally back toward the pitcher?
A projectile is launched at some speed at an angle of 74 degrees and travels a range of 262 meters. The launch angle is after that changed, but the projectile is fired at the same speed as the original case and also travels the same range of 272 m..
A 350 g piece of metal at 100C is dropped into a 100 g aluminum cup containing 500 g of water at 15C. What is the specific heat of the metal
A gymnast of mass 52.0kg hangs from a vertical rope attached to the ceiling, calculate the tension T in the rope if the gymnast hangs on the rope
A gold prospector finds a solid rock that is composed solely of quartz and gold. The mass and volume of the rock are, Find the mass of the gold in the rock
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