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Q1. An 11.90 V battery is connected to a series circuit containing a 6ohm resistor and a 2.30 H inductor. The circuit is established and current is 1.9833 A. How long will it take the current to reach 50 percent of its final value? Answer in units of s
Q2. A pendulum has the length of 50cm and a bob of mass of 20g. It is pulled to the side by 20 degrees and released. The energy is calculated with a choice of Ug=0 at the bottom of the swing. After many swings, the energy has decreased by 10%. Find out the work done by non conservative forces during this time.
Assume air resistance is negligible; from what height (in cm) above the compressed spring was the block dropped.
Clifford is in a real hurry, however, and skips the speed ramp. Starting from rest with an acceleration of 0.49 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. What is the speed at which belt of the ramp is moving.
Two speakers, one directly behind the other, are each generating a 429-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed of ..
A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37 degrees above the horizontal. If the mass of the box and the books is 40 kg, what is the normal force on box? a. 332 N b. 312 N c. 392 N d. 292 N
Consider a rotational axis at point where the tire contacts the ground, directed vertical to the plane of the paper. Find out the magnitude of the man's force for both designs.
If you connect these 3 resistors in series across a variable emf source of negligible internal resistance, what is the largest potential difference this emf source can be set to without damaging any of resistors.
What is the speed of the center of mass
Magnitude your response differs from the accurate answer by more than 10%. Double check the calculations. N direction.what is the maximum speed car can have without losing contact with road as it passes this highest point.
If, on other hand, she first kicks it to player 2, who then kicks it into the net, the ball undergoes two successive displacements, y and x. What are the magnitude and direction of x and y.
What would be apparent speed of the spacecraft image
What is the velocity of each ball after the elastic collision? What will be the highest height of each ball after the elastic collision .
Compute the force of tension or compression
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