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A pendulum swings in a lab room by a period of 2 seconds. You place that same pendulum on the top of a vertical pole and it swings by a period of 3 seconds. How high is the pole? Now you place that same pendulum in a cavity at the center of earth, what is its period?
A 63 resistor is connected in parallel with a 115 resistor. This parallel group is connected in series with a 19 resistor. The total combination is connected across a 15 V battery.
A cube with 1 m edges is in a uniform electric field of magnitude 17 N/C. The electric field intersects the top of the cube at a 30° angle to the normal, find the net electric flux through the entire surface of the cube
Jack was exposed to fast neutrons; he received a radiation dose of 220rem rem on part of his hand, affecting 28.0grams of tissue. How much radiation did Jack receive
A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor?
A stone is thrown horizontally at 70.0 m/s from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2.00 s intervals for the first 10.0s
A technician wearing a brass bracelet enclosing area0.00500 m2 places her hand in a solenoid whose magneticfield is 2.90 T directed perpendicular tothe plane of the bracelet.
An FM radio station has a frequency of 90.1 MHz. Calculate what is its signal wavelength, A pendulum has a period of 1.80 sec on the moon. Calculate what is its length
The distance between two telephone poles is 48.0 m. while a 0.600 kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. Draw a free-body diagram of the bird. (Do this on paper. Your instructor might ask you to turn i..
a calculate the limiting visual brightness in magnitudes for naked eye viewing through a 10-m telescope. assume the eye
For a damped oscillator with a mass of 350 g, a spring constant 59.00 N/m and a damping coefficient of 89 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 30 cycles.
The distance to a star is approximately 4.2e18 m. If this star were to burn out today, in how many years would we see it disappear, How long does it take for sunlight to reach Jupiter
a heat engine takes in 1000J of energy from a hot reservoir and expels 750J of energy to the cold reservoir in each cycle find the efficiency of the heat engine
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