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Two point charges are on the y-axis. A 2.0 µC charge is located at y = 1.40 cm, and a -2.22 µC charge is located at y = -1.70 cm.
(a) Find the total electric potential at the origin.
(b) Find the total electric potential at the point having coordinates (1.50 cm, 0).
The press box at a baseball park is 40.0 above the ground. find the horizontal distance from the press box to second base
A potter's wheel is a uniform solid disk of diameter 0.72m and a mass of 60kg. the wheel is initially spinning at a rate of 85 rev/min. what is moment of inertia of the disk
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position?
superman m 90 kg jumps over a 51 m tall building by first accelerating from rest to his maximum velocity in 0.003 s.
Consider a heat pump which is used to cool down a home during the summer. Its coefficient of performance in cooling mode is 4.14. at what rate does it remove heat from the home
An attacker at the base of a castle wall 3.65 m high throws a rock straight up with speed 7.40 m/s from a height of 1.55 m above the ground. Will the rock reach the top of the wall
When a synchronous motor is running at synchronous speed, the damper windingproduces(A) damping torque.(B) eddy current torque.(C) torque aiding the developed torque.(D) no torque.
A transverse periodic wave described by the expression y= 5sin(pi*x/3 - 30*pi*t) is established on a string. What is the length in meters of the string
An object (3.7kg) is lifted 4.6 m above the ground and thendropped to the ground. What is the object's Pe at the top ofthe lift, How much work did gravity do on the object
During this process the arrow's deceleration has a magnitude of 1600 and the block's acceleration has a magnitude of 450. Explain how long does it take for the arrow to stop moving with respect to the block?
Sand falls from a hopper onto a moving conveyor belt at a mass rate of 0.68 kg/s. The belt moves at constant velocity 9.00 m/s. What is the force on the belt that is required to keep the velocity constant? Assume the sand does not slip as it lands on..
A standing wave has been created on a string of length 1.5m. The frequency of the wave is 25Hz. What is the wavelength of the standing wave
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