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Three charged spheres with q1 = -9 μC, q2 = 4 μC, and q3 = -7 μC charges are located at distances d1 = 120cm, and d2 = 80 cm.
(a) What is the magnitude and direction of the net electrostatic field at charge q1?
(b) What is the magnitude and direction of the net electrostatic force on charge q1?
(c) How much energy is required to assemble these three charges?
The store has a fire alarm, Which detects an Increase In temperature. The fire alarm Circuit has a resistor R, a thermistor and a buzzer connected to the battery shown In Explain what happens to the current In the fire alarm circuit when the temper..
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find out the speed with which the pebble strikes the ground when the pebble is fired (a) horizontally, (b) vertically straight up, and (c) vertically straight down
A particle with a charge of -8.5μC is traveling East with a speed of 45 m/s in a region by a magnetic field of 0.30T. If the direction of the magnetic field is south determine; The direction of the magnetic force. The magnitude of the magnetic force
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the block diagram of the control of an electric heating system. the heater is driven from a voltage-controlled power
A driver of a van traveling at 15 m/s applies the breaks, causing a uniform acceleration of -2.0 m/s2. Find how far has the car moved during the breaking period
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