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In a series circuit, a generator (1384 Hz, 14.4 V) is connected to a 17.1-? resistor, a 3.69-µF capacitor, and a 5.72-mH inductor. Find the voltage across each circuit element.
A vertical spring with a spring steady of 420-N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest.
The spacecraft's mass is 291 kg and the thrust (force) of the rocket engines is 59 N. If the speed of the spacecraft should be decreased by 128 m/s, how long the engines should be fired. (Ignore the change in mass as a result of the rocket engines..
A 66 {rm kg} skier speeds down a trail, as shown in the figure . The surface is smooth and inclined at the angle of 22 ^circ with the horizontal. Find the magnitude of the net force acting on the skier.
A ranger in a national park is driving at 44 km/h when a deer jumps onto the road 70 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -3.00 m/s2.
Iif the collision is perfectly elastic, what is the ball's speed immediately after the collision? Illustrate what is the maximum compression of the spring?
The hot resistance of a flashlight bulb is 1.90 , and it is run by a 1.53 V alkaline cell having a 0.100 internal resistance. Calculate the power supplied to the bulb
When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.10 x 10^3 J. By how much does the potential energy of a(n) 20 kg child increase when the child climbs a norma..
Two Jupiter-size planets are released from rest 5.00×1010m apart. What are their speeds as they crash together
Two harmonic sound waves reach an observer simultaneously. What is the difference in frequency of the two sound waves
find a horizontal force needed to pull a mass of 500 gram at constant velocity on a level surface and µk = 0.3?
A horizontal plank of mass m and length L is pivoted at one end. The plank's other end is supported by a spring of force constant k. The moment of inertia of the plank about the pivot is .
if a drage car had a constant acceleration throughout a quarter mile (402 m) race, what would be the top speed reached
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