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a 82-kg sprinter accelerates from rest to a speed of 110 ms in 45 sa if the sprinter converts food energy to mechanical
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you toss a ball straight up in the air immediately after you let go of it what forces are acting on the
a 20cm radius ball is uniformly charged to 59 nca what is the balls uniform charge densityb how much charge is enclosed
120g of aluminum at 200c and 200g of copper are dropped into 510cm3 of ethyl alcohol at 15c the temperature quickly
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on a spacecraft two engines fire for a time of 589 s one gives the craft an acceleration in the x direction of ax 505
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a golf ball is struck at ground level the speed of the golf ball as a function of the time is shown in the figure where
a stone is projected at a cliff of height h with an initial speed of 440 ms directed at an angle 0 510deg above the
a paper airplane is given a push so that it could fly 7ms 35deg north of east but there is wind that also pushes it 8
the orbit of the moon takes 27321661 days you should convert to seconds at a radius of 384748 km you need to convert to
a cylinder has an inner radius of 350cm and a height of 580cm and is filled with water what is the volume of water that
a test of the prototype of a new automobile shows that the minimum distance for a con- trolled stop from 92 kmh to zero
an explorer is caught in a whiteout in which the snowfall is so thick that the ground cannot be distinguished from the
a skateboarder shoots off a ramp with a velocity of 66 ms directed at an angle of 58 degrees above the horizontal the
interactive learningware 262 offers a review of the concepts that play roles in this problem a diverging lens f -110
an airplane flying horizontally at a constant speed of 350 kmh over level ground releases a bundle of food supplies
a cylinder has an inner radius of 350 cm and a height of 58 cm and is filled water what is the volume of water and what
a train is traveling at 100 ms the engineer applies the brakes because he sees the batmobile stuck on the tracks ahead
point charges q1 -410 nc and q2 -410 nc are separated by distance 300 mm forming an electric dipolepart a find the