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a 0013 kilogram ball is shot from the plunger of a pinball machine because of a centripetal force of 0027 newton the
an airplane is heading due south at a speed of 600 kmh if a wind begins blowing from the southwest at a speed of 100kmh
a sledge loaded with bricks has a total mass of 174 kilogram and is pulled at fix speed by a rope inclined at 202
an electric motor rotating a workshop grinding wheel at a rate of 98 revmin is switched off suppose the wheel has a
a boeing 747 jumbo jet with a wingspan of 77 meter is flying in an area where the earths b-field is 0050 mt given that
a uniform magnetic field of 100 mt passes through a loop of wire having an area of 0039 m2 the field makes an angle of
the speed of a wave on a string is 30 ms the string is 30 meter long and fixed at both ends find the lowest resonant
a hobby rocket reaches a height of 684 meter and lands 225 meter from the launch point find what was the angle of
a rock hits the ground at a speed of 10 ms and leaves a hole 25 centimeter deep find the magnitude of the deceleration
two sources of sound of equal loudness have frequencies of 448 hertz and 452 hertz determine how many beats per second
you push your book 190 m along a horizontal table top with a horizontal force of 200 newton the opposing force of
a 70 watt light bulb operates on a potential difference of 75 volt find what is the current in the
ball of mass m attached to strong of length l moves in circle in vertical plane at top of circular path tension in
a diver makes 20 revolutions on the way from an 88 meter high platform to the water suppose zero initial vertical
a block of mass 250 kilogram is pushed 240 meter along a frictionless horizontal table by a constant 160 newton force
a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 210 ms the cliff
a satellite is in orbit about earth its orbital radius is199 times 107 meter the mass of the satellite is 1248 kilogram
a closed system is observed to have 75 objects in it initially the total energy of the system is 6183 joule after 86
the 1994 winter olympics included the aerials competition in skiing in this event skiers speed down a ramp that slopes
the current in a 100 watt light bulb is 0760 amp the filament inside the bulb is 0290 millimeter in diameter calculate
a picture is supported by two cords each making an angle 53o with the horizontal if the tension in each cord is 10
in the figure an electron accelerated from rest during potential difference 17kv enters the gap between two parallel
a stamp collector is viewing a stamp by a magnifying glass held next to her eye her near point is 25 cm from her eye
a 135 g copper bowl contains 190 g of water both at 200degc a very hot 300 g copper cylinder is dropped into the water
a small electric immersion heater is utilized to heat 170 g of water for a cup of instant coffee the heater is labeled