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A charge of 27.0 nC is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104N/C . What work is done by the electric force when the charge moves
A. 0.450 m to the right; (J)
B. 0.620 m upward; (J)
C. 2.20 m at an angle of 45.0 ° downward from the horizontal? (J)
The human eye is able to detect as little as 2.35 × 10-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light
The unpolarized light of intensity I(not) is passed through two polarizers with axes oriented at 30degrees from each other. What intensity of light emerges
A 5 turn loop of wire with a radius of 4cm moves toward a 0.15T magnetic field in a 3 second time interval. What is the average emf induced in the loop? If the loop has a resistance of 5 ohm, what current is generated?
q1. a gun shoots bullets that leave the muzzle with a speed of 326 ms. if a bullet is to hit a target 172 m away at the
The displacement of a standing wave on a string is given by D = 8.8 sin(0.60x)cos(50t), where x and D are in centimeters and t is in seconds. (a) What is the distance (cm) between nodes
a ray of light traveling through air encounters a 1.4 cm-thick sheet of glass at a 38 degree angle of incidence.how far
A catapult launcher on an aircraft carrier accelerates a jet from rest to 67m/s. what is the power output of the catapult
A lead ball is dropped into a lake from a diving board 5 above the water. After entering the water, it sinks to the bottom with the constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 3.20 after it is f..
In order to determine a newly developed material's specific heat conduct, material scientists conduct an experiment. what is the specific heat of the unknown
To strengthen his arm and chest muscles, an 75.0 kg athlete 2.00 m tall is doing a series of push-ups as shown in the figure below . His center of mass is 1.20 m from the bottom of his feet, and the centers of his palms are 30.0 cm from the top of..
As measured in Earth's frame of reference, two planets are 4.25×10^5 km apart. How fast is the ship traveling
One ball is thrown upwards from the edge of the roof of 35 Three seconds a m tall building. What was the initial velocity of the first ball
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