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a long-jumper leaps of the horizontal at a speed of 110 ms at an angle of 20 degrees what is his toal distance
a girl kicks a ball from ground level the initial velocity of the ball has an x component of 17 ms and a y component of
five charges are placed in a closed box each charge except the first has a magnitude which is twice that of the
3 30 pound kegs are stacked on a dolley 2 on top of each other and the third on top of both of them opposite of the
in a test runa certain car accelerates uniformly from zero to 202ms in 295sa whats is the magnitude of the cars
a bird flies 30 km due west and then 20 km due north another bird flies 20 km due west and 20 km due north what is the
a garden has a circular path of radius 50 m you start at the easternmost point on this path then walk counterclockwise
a plane accelerates from rest at a constant rate of 500 along a runway that is 1800 long assume that the plane reaches
a car travels a straight road at 120 kmh for 30 min then at 90 kmh for 10 min it then reverses and goes at 90 kmh for
a hiker starts at his camp and moves the following distances while exploring his surroundings 550 m north 275x102 m
the rear window of a van is coated with a layer of ice at 0degc the density of ice is 917 kgm3 and the latent heat of
a simple pendulum is used to measure g using the relation t2piesqrtlg where t is the period l is the length and g is
a small mailbag is released from a helicopter that is descending steadily at 212 msa after 500 s what is the speed of
to test the quality of a tennis ball you drop it onto the floor from a height of 400 m it rebounds to a height of 240 m
a butterfly flies from the top of a tree in the center of a garden to rest on top of a flower at the gardens edge the
a city has streets laid out in a square grid with each block 135 m long if you derive north for three blocks then west
a hoodlum throws a stone vertically downward with an initial speed of 122 ms from the roof of a building 250 m above
a man stands on the roof of a building of height 136m and throws a rock with a velocity of magnitude 318ms at an angle
a military helicopter on a training mission is flying horizontally at a speed of 600 ms and accidentally drops a bomb
a car traveling 56 kmh is 230 m from a barrier when the driver slams on the brakes the car hits the barrier 223 s
suppose a car accelerates from rest speeding up at a rate of 25ms2 while traveling a distance of 79 meters then the car
a little boy drops a rock off a bridge which is 586 meters above the river below ignore air resistancea what is the
the bragg angle for a certain reflection from a powder specimen of copper is 4775ordm at a temperature of 293 k and
a back-reflection laue pattern is made of an aluminum crystal at 50 kv the 111 planes make an angle of 88deg with the
a ball is initially at rest in your hand you then accelerate your hand upwards at 20 ms2 for 01 s and release the balla