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A charged cork ball of mass 1.26 gram is suspended on alight string in the presence of a uniform electric field. When the electric field has an x component of 3.89E+5N/C, and a y component of 5.23E+5 N/C, the ball is in equilibrium at theta = 35 degree. Find what is the charge on the ball?
If a technician strikes this blade with a mallet 1.15m from the center with a 40.0N force perpendicular to the blade, find the maximum angular acceleration the blade could achieve
A certain lightbulb has a tungsten filament with a resistance of 17.7 ? when at 20.0°C and 135 ? when hot. Find the temperature of the hot filament
Calculate the theoretical resolution (assuming no lens aberrations) for green light
a football player tests his vertical jump by jumping straight up a distance of 47.3 inches. what was the players
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
A 3.9×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.8×10-5 s and a maximum speed of 1.70×103 m/s. Find the maximum displacement of the particle
A 0.360 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball.
five thousand joules of heat is put into a carnot engine whose hot and cold reservoirs have temperatures of 490 and 270
A potters wheel is a disk of mass 3.50kg and radius .450m and is spinning freely around a vertical axis through its center with an angular speed of 14.0rad/s. what is the angular speed of the wheel+clay
A piano tuner stretches a steel piano wire with a tension of 830N . The wire is 0.400m long and has a mass of 3.10g. What is the frequency of its fundamental mode of vibration
A rope, under a tension of 294 N and fixed at both ends, oscillates in a second-harmonic standing wave pattern, find the length of the rope and the speed of the waves on the rope
A baseball thrown from the out field is released from shoulderheight at an initial velocity of 29.4 m/s at an initial angle of30.0° with respect to the horizontal. What is the maximumvertical displacement that the ball reaches during itstrajectory..
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