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As a tennis ball is struck, it departs from the racket horizontally by a speed of 29.0 m/s. The ball hits the court at a horizontal distance of 20.3 m from the racket. How far above the court is the tennis ball when it leaves the racket?
A uniformly charged ring is 1.0 cm in radius. The electric field on the axis 3.5 cm from the center of the ring has magnitude 2.5MN/C
A particle moves in the x - y plane under the constraint that its velocity vector is always directed towards a point on the x axis whose abscissa is some given function of time f(t). Show that for f(t) differentiable, but otherwise arbitrary, the con..
q1. a 9300 kg boxcar travelling at 23 ms strikes a second boxcar at rest. the two stick together and move off with a
A snowboarder is pulled by a tow rope along a horizontal surface with a constant force of 60 N. How far must the boarder be pulled, starting from rest, so that her final kinetic energy is 500 J.
A firehose 15 m long is uncoiled by pulling the nozzle end horizontally along a frictionless surface at the steady speed of 2.9 m/s. How much work has been done on the hose by the applied force
A softball of mass 0.220 kilogram that is moving with a speed of 4.0 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Evaluate the mass of the target ball
questiona 67.0 kg person holds out his arms so that his hands are 1.70 m apart. normally a persons hand makes up about
an object floats in the water with 60 of its volume submerged. what is its approximate density?a 400kgm3b
You propose a new temperature scale with temperatures given in ?M. You define 0.0 ?M to be the normal melting point of mercury, What is the normal boiling point of water
On a greasy, essentially, frictionless lunch counter, a 0.290 kg submarine sandwich, moving 3.80 m/s to the left, collides with an 0.290 kg grilled cheese sandwich moving 1.50 m/s to the right.
A pair of narrow parallel slits separated by a distance of 0.205 millimeter are illuminated by the green component from a mercury vapor lamp (λ = 545.5 nm). Find the angle from the central maximum to the fifth dark fringe
The current supplied by a battery in a portable device is typically 0.131 A. Find the number of electrons passing through the device
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