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Four identical metallic objects carry the following charges: +8.2 µC, +7.0 µC, -2.6 µC, and -9.2 µC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated.
(a) What is the final charge on each object?
(b) How many electrons (or protons) make up the final charge on each object?
A metal slug is dropped from a height of 1/20 RM above the moon's surface. Find the speed with which the slug strikes the moon's surface
Using Einsteins formula
Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor. What is the magnitude Fp of the minimum force you need to exert on the crate to make it start sliding along the floor
The center-tap to high peak voltage to each side is 22.0 V. Two silicon diodes are used to make a full-wave rectifier. Calculate the output DC voltage and the ripple voltage
A 1500 -kg automobile travels at a speed of 75 -km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop.
When his mom asked him why he is smoking he told her, "Don't worry mom, it is not that bad after all." Which term is being described in Trent's situation.
Objective questions based on kinematics.
Suppose 0.0330 kg of steam (at 100.00°C) is added to 0.330 kg of water (initially at 21.1°C.). Find the final temperature (in °C) of the water after equilibrium is reached
A thin spherical copper shell of radius 9.5 cm carries an excess charge of -4.2 nC. How many excess electrons are on the outer surface of the shell
200 Ohm, 0.5mA galvanometers are usedfor making a 20 A ammeter and a 120 V voltmeter. Find resistance of the corresponding shunts
A force vector has a magnitude of 577 newtons and points at an angle 43o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 20 m that makes an angle of 45, Calculate Tarzan's speed just before he reaches Jane
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