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Q1. A very long non conducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries +5.50 C of charge. A proton is released from rest just outside the surface. How far will it be from the surface of the cylinder when its speed has reached 2550 km/s? The mass of the proton is 1.67 x 10^-27 kg and e = 1.60 x 10^-19 C.
Q2. A projectile is fired horizontally from a gun that is 54.0 m above flat ground; emerging from the gun with a speed of 200 m/s. (a) how long does the projectile remain in the air? (b) At what horizontal distance from the firing point does it strike ground? (c) What is the magnitude of the vertical component of its velocity as it strikes ground?
A car is travelling at a constant speed of 31.1 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration mu..
question1a stone is thrown upward from the edge of a cliff reaches its greatest height and next falls down into the
In a television set the power needed to operate the picture tube comes from the secondary of a transformer. Find the turns ratio Ns/Np of the transformer
Two ideal gases have the same mass density and the same absolute pressure. One of the gases is helium (He), What is the temperature of the neon
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
Two cesium-133 atomic clocks differ by one second in 6000 years. Assume one of the clocks gains one second in six thousand years, approximately what is the change in the number of oscillations of the light each second?
Sound with a frequency of 466 Hz travels through steel. What is the speed of the sound in steel?
The classroom temperature is 20 C. The relative humidity is 60%. What is the total humidity (kg of H2O vapor) in the room
You're standing in waist-deep water with your eyes 0.48m above the surface. A fish is swimming 0.65m below the surface. How far (horizontally) from you is the fish
Two bowling balls, each of mass 5kg, are located so that their centers of mass are 0.5m apart. What is the size of the force of universal gravitation
A drop of water on a countertop reflects light from a flower held 3.10 cm directly above it. What is the focal length of the water drop
One beam so protons is moving with a speed close to speed of light, inside a magnetic field with a strength of 12T on z-direction. Calculate the magnetic force in vectorial form
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