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A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.33 s. How much longer should the pendulum be made in order to increase its period by 0.29 s?
What is the Reynolds number for the fastest falling ball in the experiment. Use the same data as in problem 1, glycerin density of 1.30 g/cm^3
calculate the energy content of 1 kg of natural uranium assuming complete fission. estimate an average energy per
Some amusement park rides move you back and forth in the horizontal direction. Why is this motion so much more disturbing to your body than cruising at a high speed in a jet airplane.
An object is placed 11.2 cm tothe left of a diverging lens of focal length -6.2 cm. Find the distance d that places the final image at infinity
A brick is initially 10.56 cm high and an aluminum can is initially 10.57 cm high. By how much must their temperatures be raised in order for the brick
Suppose a spacecraft of mass 28000kg is accelerated to 0.25c, How much kinetic energy would it have
A certain lightbulb has a tungsten filament with a resistance of 20.5 ? when at 20.0°C and 136 ? when hot. Find the temperature of the hot filament
An object is placed to the left of a convex lens and on the optical axis. find the magnification of the image formed by the lense
Two bullets have masses of 2.9 gand 4.2 g, respectively. Each is fired with a speed of 42.0m/s. What is the kinetic energy ofthe first bullet?
Find the magnetic energy stored in the air gap between two very large magnetic pole pieces, one North, one South, each with an area of 100 cm2. Assume the 0.05 T magnetic field is uniform within the 2-cm gap.
Project Seafarer was an ambitious program to construct an enormous antenna, buried underground on a site about 10000 km2 in area. What would be the frequency of the radiations emitted
A 50 gram ball enters a a pendulum with mass 200 g. The pair then swings up to a height of 12 cm. Find the velocity at which the pair move immediately after the collision
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