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A droplet of ink in an industrial ink-jet printer carries a charge of 2e-10 C and is deflected onto a paper by a force of .0002 N. Find the strength of the electric field to produce this force. Answer in units of V/m.
Two point charges lie on the x axis. A charge of 6.2uC is at the origin, and a charge of -9.4uC is at x=10.0cm. What is the net electric field at x=+4.0cm
A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?
A helicopter is ascending vertically with a speed of 5.30{rm m/s}. At a height of 120 {rm m} above the Earth, package is dropped from a window.
child whose mass is 30 kg sits on a merry-go-round at a distance of 2 m from the center. What is the magnitude of the net force (in Newton) acting on the child?
At a recent rock concert, a dB meterregistered110dB when placed2.00m in front of a loudspeaker on the stage. What was the power output of the speaker
If the coefficient of friction between road and tires on a rainy day is 0.120, what is the minimum distance in which the car will stop.
A 180 g block on a 49 cm-long string swings in a circle on a horizontal, frictionless table at 74 rpm.
A pitcher pitches the ball (m = 150 g) at 40.3 m/s. The batter makes contact with the ball for 0.001 s, Find the net average force on the ball
A jogger on a circular track that has the radius of 0.150km runs a distance of 1.10km. What angular distance does the jogger covers in radians.
An engine absorbs 3,450 J of heat energy each cycle and expels 1,240 J. how much work does it do in one cycle
Two tugboats pull a disabled supertanker. Each tug exerts a constant forace of 1.55*10^6n, What is the toal work they do on the supertanker
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.93 x 104 m/s, and the radius of the orbit is 1.08 x 106 m. What is the orbital speed of the second satellite
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