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Q1. A dockworker applies a constant horizontal force of 79.0 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves the distance 13.0 in a time 5.40.
Q2. A step-up transformer has 300 turns on its primary coil and 90000 turns on its secondary coil if the current flowing through the secondary is 5 amps what is the current flowing in the primary?
Q3. A 22.5-ohm and a 14.8-ohm resistor are connected in parallel across a 28.8-V battery. Find out the voltage drop (in Volts) across the 22.5-ohm resistor.
A uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field.
What is acceleration of the elevator
What is magnitude of the speed of the boat
What is magnitude of the unknown force
A plate carries a charge of -3.9 µC, while a rod carries a charge of +2.2 µC. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
A diffraction grating with 395 lines/mm is 1.00 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.9 cm from the central maximum on the screen.
The object is authorized to move on a horizontal frictionless surface. The object is released from rest when the spring is compressed 0.15 m. Find out the force on the object.
Compute the index of refraction of the gas
The coefficient of static friction
Elucidate the spacing between peaks
What is maximal speed v of the elevator
One displacement vector A has magnitude of 2.78 km and point due north. Another displacement vector B has a magnitude of 7.40 km and also points due north. Provide diagrams and calculate the magnitude and direction of A+B, B-A, A-B.
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