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A 5.30 ball is dropped from a height of 11.5 above one end of a uniform bar that pivots at its center. The bar has mass 8.00 and is 6.20 in length. At the other end of the bar sits another 4.70 ball, unattached to the bar. The dropped ball sticks to the bar after the collision.
How high will the other ball go after the collision?
Kathy Kool buys a sports car that can accelerate at the rate of 5.20 m/s2. She decides to test the car by racing with another speedster, Find the time it takes Kathy to overtake Stan
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 2 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of l = 3.90 {rm m}.
A sealed cubical container 17cm on a side contains three times Avogadro's number of molecules at a temperature of 16°C. Find out the force exerted by the gas on one of the walls of the container.
A Ping-Pong ball with mass 1.5 g is attached by a thread to the bottom of a beaker. Determine the diameter of the ball
A beam of blue light of wavelength 500 nm has an intensity of 170 W/m^2, How many photoelectrons are emitted from the potassium plate per second
A proton with a mass of 1.67 x 10^-27 kg and charge on +1.6 x 10^-19 C, Find the time for the proton to make on complete circular orbit
A 10-uF, a 20-uF, and a 50-uF capacitor are connected in series across a 160 volt source. What value of charge is on each capcitor
A wire, 24 m long, moves at 4.8 m/s perpendicularly through a 0.59 T magnetic field. What emf is induced in the wire
A force vector has a magnitude of 595 newtons and points at an angle 39o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
A lamp that plugs into a 120V wall socket can use either a 60W or 100W bulb. Which bulb has the higher resistance
Determine the net charge contained within the cube.
A 14-Ω coffee maker and a 14-Ω frying pan are connected in series across a 120-V source of voltage. Find the total current supplied by the source of voltage
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