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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 9 and 44 kg. If A and B are 3.0 and 1.0 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.
Two lenses, one converging with a focal length of 20.0cm and one diverging with a focal length of -12.0cm, Find the final image from the second lens. Follow the sign conventions
how high does it rise above the point of free.
A 10 ball of clay traveling east at 9 collides and sticks together with a 40 ball of clay traveling north at 6.5. What is the speed of the ball of clay.
Light from an argon laser strikes a diffraction grating that has 5 310 grooves per centimeter. calculate vthe wavelength of the laser light
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
After being accelerated to a speed of 1.84×105, the particle enters a uniform magnetic field of strength 1.00 and travels in a circle of radius 35.0. The results of this experiment allow one to find.
An proton (m = 1.67 ´ 10-27 kg and q = 1.6 ´ 10-19 C) travelling at 2.7 × 105 ms-1 enters a magnetic field of 1.2 T at right angles to the direction of motion of the electron. What is the centripetal force on proton.
A thin rectangular plate of uniform areal density ? = 2.90 kg/m2 has length of 34.0 cm and width of 24.0 cm. There is a circular hole of radius 6.00 cm with center at (x,y) = (11.00,10.00) cm in the plate. Calculate the mass of plate
Two alpha particles (helium nuclei), each consisting of two protons and two neutrons, What is the distance between these particles at this time
What average total force acted on the car. How far did the car travel during that time.
Express the power in terms of some or all of the variables given in the problem introduction.
A meter stick lies on the bottom of a 100 cm long tank with its zero mark against the left edge. You look into the tank at a 30 angle, with your line of sight just grazing the upper left edge of the tank.
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