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an electric clock is hanging on the wall in the living room the clock is unplugged and the second hand comes to a halt
three point charges 2 positive and 1 negative each havinga magnitude of 20uc are placed at the vertices of an
an automatic rifle fires 50 gram bullets at aspeed of 900 ms at a rate of 50 bullets per second what is the average
suppose that you want to take a photograph of yourself as youlook at your image in a flat mirror 25 m away for what
a telephone cord is 900 m long andhas a mass of 0500 kg a transversewave pulse is produced by plucking one end of the
a charge of q is located at the 0 mark of a meter stick whilea charge of 3q is located at the 100 cm mark where is the
the electric gun in a tv tube is to accelerate electrons m91 x 10 -31 kg charge 16 x 10 -19 from rest to 30 x 107 ms
suppose that we have a filter with a pass band of 10 angstromcentered at 600 nm and we illuminate it with sunlight what
the nearest star to earth is 43 light years awaya at what constant velocity must a spacecraft travel from earth if itis
an object is placed 112 cm tothe left of a diverging lens of focal length -62 cm a converging lens of focal length 12
draw and explain the internal combustion engine as it relates to carnot cycle and otto
water is pumped steadily out of a flooded basement at a speedof 55 ms through a uniform hose of radius 11 cm the
a diffraction grating produces a first-order bright fringethat is 00824 m away from the centralbright fringe on a flat
a ray of light is incident at the a-b interface with anangle of incidence that just barely exceeds its critical angle
the antenna on a cordless phone radiates microwaves at a frequencyof 50 ghz what is the maximum length of the antenna
two skaters one with mass 65 kg and the other with mass 50 kg stand on an ice rink holding a pole oflength 10 m and
a 500 g bullet moving at 624 ms strikes a 720g wooden block at rest on a frictionless surface the bulletemerges
the space between the plates of a capacitor is filled with water by what factor does the water change the capacitance
two polarizers are oriented at 38 deg to one another lightpolarized at a 19 deg angle to each polarizer passes through
muons are subatomic particles that are produced several milesabove the earths surface as a result of collisions of
a 100 kg block of metal is suspended froma scale and immersed in water the dimensions of the blockare 120cm x 100cm x
a motorcycle daredevil is attempting to jump across as many busesas possible see the drawing the takeoff ramp makes an
a pickup truck has a wheelbase of 300 m ordinarily 10780 n rests on the frontwheels and 8820 n on the rear wheels when
a grating with 1300 slits percentimeter is illuminated with light of wavelength 500 nma what is the highest order
a space probe on the surface of mars sends a radio signal back to the earth a distance of 917multiplied by 107 km radio