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A 5.95kg object is thrown 18.10m/s at a 30.00° angle andcollides head-on at its peak with a 14.5kg object fired at28.0° which is also at its peak. At what velocity was the14.5kg object fired?
Three filaments with ratings P1 = 60 W, P2 = 80 W, and P3 = 180 W are connected parallel to a 120 V outlet. How much total current is drawn
earth's radius is 6.38x10^6 m, and it completes one revolution every day. What is the tangential speed of a person standing on the on the equator
a sound wave with a frequenc of 512 hz and a wavelenth of 2.99 m is directed toward the bottom of a lake to measure its
assume four objects each of mass m are placed at the corners of a square os side length, How much work is needed to separate the planets
a magnetic field goes from the top to the bottom of this page. what direction will a proton moving from left to the right deflect
During 0.12 s, a wheel rotates through an angle of 2.34 rad as a point on the periphery of the wheel moves with a constant speed of 2.29 m/s
An electric field of magnitude 2210 N/C is applied along the xaxis. Calculate the electric flux through a rectangular plane 0.241m wide and 0.84 m long if the plane is parallel to the yz plane.Answer in units of N · m2/C.
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. How close are the two charges
A 6.4kg ball, hanging from the ceiling by a light wire 135cm long, is struck in an elastic collision by a 1.80 ball moving horizontally at 4.20 m/s just before the collision. Find the tension in the wire just after the collision.
A simple Atwood’s machine uses a mass less pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 8.4 m/s at the end of 7.2 s. At that time, the kinetic energy of the system is 62 J and each mass has moved a distance of 3..
If a 1.00-kHz sound source moves at a speed of 48 m/s toward a listener who moves at a speed of 29.5 m/s in a direction away from the source, what is the apparent frequency heard by the listener
consider a merry-go-round in the shape of a uniform disc of mass 400 kg and radius 3 m. two children each of mass 20 kg
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