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starting from rest at the top of a tall steep ramp a sphere rolls without slipping to the ground 69 m below at the
ultraviolet light of wavelength 2234 nm illuminates an aluminum surface and electrons are ejected a stopping potential
light of wavelength 571 nm incident on a pair of slits produces an interference pattern on a distant screen in which
two hockey players one of mass 10 kg and the other of mass 15kg are skating and collide and stick together the velocity
cannon fires a cannonball from the top of a wall at a speed of 3164 ms and an angle of 2825 degrees from the horizontal
a cube of solid steel has a volume of 101m3 at 214 deg celsius what temp change is required to produce a 104cm3
the length of a beam increases by 146mm when its temperature is raised from 4492oc to 905 oc what is the length of the
an iron bar of mass 081 kg slides down a frictionless incline 039 m high at the bottom of the incline it collides and
the sun is approximately a sphere of radius 6963 105 km at a mean distance a 1496 108 km from the earth the solar
a 320 piano slides 34 down a 33 incline and is kept from accelerating by a man who is pushing back on it parallel to
gas in a cylinder similar to the one shown in the figure moves a piston with area 0201 m2 as energy is slowly added to
a cord is attached to a cart that can slide along a frictionless horizontal rail aligned along an x-axis the left end
romeo takes a uniform 11 m ladder and leans it against the smooth wall of the capulet residence the ladders mass is 250
a large gate weighing 225 n is supported by hinges at the top and bottom of the wooden frame and is further supported
a large mirror is hung from a nail the supporting steel wire has a diameter of 020 mm and an unstretched length of 160
the wattage of a commercial ice maker is 212 w and is the rate at which it does work the ice maker operates just like a
after 600 kg of water at 700 oc is mixed in a perfect thermos with 300 kg of ice at 00 oc the mixture is allowed to
a block of mass m kg slides from rest a distance d m down a frictionless incline at angle theta where it runs into a
after landing on an unfamiliar planet a space explorer constructs a simple pendulum of length 470cm the explorer finds
nbspwhich of the following responses will lead to a null vector f01adding a force 2 blocks up and another force 13
an infinite plane of charge with surface charge density 1 37 microcm2 is parallel to the xz plane at y -08 m a second
a double-decker bus is traveling at 10 ms a child in the bus throws a ball horizontally out of the window from a height
what is the total translational kinetic energy of the gas molecules of 0450 mol of air at atmospheric pressure that
a hydrogen balloon at earths surface has a volume of 678 m3 on a day when the temperature is 265degc and the pressure
incandescent lightbulbs are filled with an inert gas to lengthen the filament life with the current off at t 200degc