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A pair of toy cart wheels is rolled obliquely from a smooth surface onto two plots of grass, a rectangular plot and a triangular plot, as shown. The ground is on a slight incline so that, after slowing down in the grass, the wheels will speed up again when emerging on the smooth surface. Finish each sketch by showing some positions of the wheels inside the plots and on the other sides, thereby indicating the direction of travel.
Assume all temperatures to be exact. A 5.20-g pellet of aluminum reaches a final temperature of 78 degrees C when gaining 200J of heat. What is its initial temperature
Optimus Prime is flying straight up at 75m/s when he accidentally drops his mega-ray blaster and it falls58 m to the ground below. Calculate how long it takes for his mega-ray blaster to hit the ground.
Suppose an object of mass 2.0 kg is pulled to the right with a force of 20 N. The forceis parallel with the displacement axis. If the interface is rough with a coefficient of kinetic friction 0.3, what is the net force along the diaplacement ax..
part 1you are out on your friends boat in mission bay soaking up rays and fishing for tuna. you have a big fat worm on
an electron is shot upward directly perpendicular to the lower plate of a parallel plate capacitor. its initial
A block with mass m = 16.0 kg rests on a frictionless table, What distance does the spring need to be compressed so that the block will just barely make it past the rough patch when released
A leopard seal jumps onto an uphill ice flow at 7 m/s. The ice is flat but sloped at 30o to the horizontal. Find how long is it before the seal slides back into the water
A grandfather clock is powered by the descent of a 4.40-kg weight. If the weight descends through a distance of 0.750 m in 3.00 days, how much power does it deliver to the clock
A 7.24 nC charge is located 1.93 m from a 4.10 nC point charge. Find the magnitude of the electrostatic force
a. aingly-ionized lithium has a nucleus of charge 3e and two electrons. use the variational principle to estimate the
A girl coast down tha hill on a sled, reaching a levelsurface at the bottom with a speed of 7.0 m/s. how far does the sled travel on the level surface before coming to rest
Matthew pulls his little sister Sarah in a sled on an icy surface (no friction) with a force of 60 N at an angle of 600 upward from the horizontal
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