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In a certain region of space, electric field is along the z-direction throughout. The magnitude of electric field is, however, not constant but increases uniformly along the positive z-direction, at the rate of 105 NC-1 per metre. What are the force and torque experienced by a system having a total dipole moment equal to 10-7 Cm in the negative z-direction?
A 0.365-kg blue bead slides on a frictionless, curved wire, starting from rest at point circle a, Find the maximum height the green bead rises as it moves up the wire
By what factor must the mass of the ice be increased if the system is to have the same final temperature?
Two capacitors are connected in parallel across the terminals of abattery. One has a capacitance of 2.9 uF and the other acapacitance of 3.9 uF. These two capacitors together store 7.4 x10-5 C of charge. What is the voltage of the battery?
A 220g ball is thrown horizontally at 19.2m/s, As it falls under the influence of gravity, find its final momentum (magnitude) after 1.00s.
A light bulb at point x in the frame of reference O blinks on and off at intervals, ?t = t2 - t1. Use the expressions for the Lorentz transformations to derive the expression for the time dilation relations ?t and ?t'
The position of an object connected to a spring varies with time according to the expression x = (4.8 cm) sin(9.3 ?t). Find the amplitude of the motion
a person exerts a tangential force of 37.2 n on the rim of a disk-shaped merry-go-round of radius 2.70 m and mass 158
A string with linear density 2g/m is stretched along the positive x-axis with tension 20 N. One end of the string, at x = 0, is tied to a hook that oscillates up and down at a frequency of 100 Hz with a maximum displacement of 1.0 mm. At t = 0s, t..
question a nearsighted person wears glasses to correct the problem. the lenses in the glasses have a focal length of
A submarine sends a sonar signal, which returns from another ship 2.250 s later. How far away is the other ship if the speed of sound in seawater is 1,530.0 m/s
question11 give an everyday instance that illustrates the difference between acceleration and velocity. give a case of
A 45kg child stands at rest on ice skates. She catches a 0.50kg ball moving horizontally at 9.5 m/s. What is her speed after she caught the ball
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