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a lead ball of mass 180 kg is dropped from rest from a height of 230 m above the grounda write in vector format the
an object of mass m is moving at a velocity u this object collides with another object of mass m they stick together
an airplane with a speed of 749 ms is climbing upward at an angle of 383 deg with respect to the horizontal when the
a 250 n beam hangs from a cable the beam moves at a constant velocity what is the force on the cable what is the force
a typical jetliner lands at a speed of 148 mih and decelerates at the rate of 116 mihs if the jetliner travels at a
a car traveling at a constant speed of 278 ms passes a trooper hidden behind a billboard as in the figure one second
a car is parked at the top of a 52m -high hill it slips out of gear and rolls down the hillhow fast will it be going at
a jet with mass m 1300000 kg jet accelerates down the runway for takeoff at 15 ms21 what is the net horizontal force
three blocks each of mass 140 kg are on a frictionless table a hand pushes on the left most box a such that the three
a train makes a round trip on a straight level track the first half of the trip is 300 km and is traveled at a speed of
a ball is shot from the ground into the air at a height of 960 m the velocity is observed to be v 770 ms i 700 ms ja
a circuit consists of a 120- battery connected to three resistors 40 16 and 120 in seriespart a find the current that
your toaster has a power cord with a resistance of 22times102 connected in series with a 99 nichrome heating element
when a potential difference of 12 is applied to a wire 67 long and 031 in diameter the result is an electric current of
a rifle is aimed horizontally at a target 30 m away the bullet hits the target 210 cm below the aiming point what is
1 when a 90 cm long pencil is arranged perpendicular to a convex mirrors optical axis at a distance of 22 cm from the
a skier is gliding along at 29 on horizontal frictionless snow he suddenly starts down a incline his speed at the
the deepest place in all the oceans is the marianas trench where the depth is 109 km and the pressure is 110x108 pa if
nicole throws a ball straight up chad watches the ball from a window 580 above the point where nicole released it the
a movig particle encounters an external electric field that decreases its kinetic energy from 9740 ev to 5690 ev as the
a juggler performs in a room whose ceiling is 30 m above thelevel of his hands he throws a ball upward so that it just
a physics book slides off a horizontal tabletop with a speed of 270rm mrm s it strikes the floor in 0350rm s ignore
three electrons are located at the vertices of an equilateral triangle one at each vertex the length of one side of the
you and a friend each drive 67 km to the same destination you travel at 889 kmh and your friend at 988 kmhhow long will
the velocity of the transverse waves produced by an earthquake is 693 kms while that of the longitudinal waves is