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The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have masses of 10 and 37 kg. If A and B are hA = 4.4 and hB = 1.7 m, respectively, above the ground, determine the speed of
(a) the lighter box and
(b) the heavier box when each reaches B.
(c) What is the ratio of the kinetic energy of the heavier box to that of the lighter box at B?
A ferry boat transports tourists among three islands. It sails from the first island to the second island, 4.7 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 69.0° west of north..
A grating that has 3400 slits per cm produces a third-order fringe at a 24.0? angle. What wavelength of light is being used
If the barge can only be pushed 18 cm deeper into the water before water overflows to sink it, how many 400 kg horses can it carry.
A long horizontal wire carries a current of 48 {rm A}. A second wire, made of 2.6 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 {rm cm} below. Examine the magnitude of the current in the lower wire.
find the magnitude of her centripetal acceleration. A small box is held in place against a rough vertical wall by someone pushing on it with the force directed upward at 27{rm ^circ} above the horizontal.
An RLC circuit has a resistor (R=175 ohms), a capacitor (C=4.78 microFarads) and an inductor (L=32.1mH). The frequency of the current is 652 Hz. What is the total impedance in the circuit
You have two small 2.0- balls that have been given equal but opposite charges, but you don't know the magnitude of the charge. To find out, you place the balls a distance apart on a slippery horizontal surface, release them, and use a motion detec..
How far in front of the cattle should the pilot release the hay so that the bales will land at the point where the cattle are stranded.
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 5.6 µm. 1) What is the dipole moment of this pair of charges?
In a women's 100-m race, accelerating uniformly, Laura takes 1.81 s and Healan 3.06 s to attain their maximum speeds, which they each maintain for the rest of the race.
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 x 10^-6 C, Find q1 and q2
Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.
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