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Question1
A hotel elevator ascends 160 with a utmost speed of 4.9. Its acceleration and deceleration both have a magnitude of 1.5.
How far does an elevator move while accelerating to full speed from rest?
How long does it take to make the complete trip from bottom to top?
Question2
A police car is travelling at a velocity of 18.0 m/s due north, while a car zooms by at a constant velocity of 46.0 m/s due north. After a reaction time 0.400 s the policeman begins to pursue the speeder with an acceleration of 4.00 m/s^2. Including reaction time, how long does it take for the police car to grab up with the speeder?
Question3
A 50.0g ball travelling at 25m/s bounces off a brick wall and rebounds at 22m/s. If the ball is in contact with the wall for 3.50 ms, what is the magnitude of the average acceleration of the ball during this time period?
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is the maximum displacement of the bridge deck?
What is the magnitude of the current in the wire as a function of time?
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Illustrate the cause of the components accelerating from rest down the conveyor.
Calculate the dc voltage applied to the circuit.
Quadrupole moments in the shell model
Determine the tension in each string
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
Evaluate maximum altitude?
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