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A 6 kg bolwing ball rolls without slipping up a hill with height h = 5 m. The ball Has a speed v = 12 m/s. At the top of the hill, the ball rolls off a sharp drop (with velocity only in the x-direction). How far from the hill does the ball land? (Treat the ball as a uniform sphere)
Consider a beam as shown in the figure that is 2 m long and supported by a rope. It is pressed against the wall. what is the tension in the rope
a -58 nC charge is distributed uniformly along the x-axis from x = -1.3 m to x = 3.4 m. Consider a point at y = 2.2 m on the y-axis. a) what is the x-component of the electric field at the point
q1. radio amateurs are permitted to communicate on the 20-meter band. what frequency of radio waves corresponds to a
It has been suggested that rotating cylinders about 8.0 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acce..
the cycle for a heat engine that uses a gas having ? =1.25. The initial temperature is T1=300K, What is the power output of the engine
A soccer ball is kicked at 30 degrees to the horizontal at a speed of 24m/s. How far will it go over a level ground
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
A Locomotive of mass 80 tonne, hauls 11 coaches each has a mass of 20 tonne up an incline of 1 in 80. The frictional resistance to motion is 50 N/tonne. determine The change in potential energy of the train
Determine how strong is the electric field (in volts/meter) between two parallel plates 1.00 millimeter. apart if the potential difference between them is 310 Volt
A 15-microF capacitor is connected to a 50-V battery and becomes fully charged, what is the voltage across the capacitor's plates after the slab is inserted
A vessel whose walls are thermally insulated contains 2.5 {rm kg} of water and 0.6 {rm kg} of ice, all at a temperature of 0.0 ^circ {rm{C}}. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted ..
A Geiger counter reading of a radioactive sample is initially 7120 counts per minute. What is the sample's half-life
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