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A 5.09-kg ball hangs from the top of a vertical pole by a 2.07-m-long string. The ball is struck, causing it to revolve around the pole at a speed of 4.51 m/s in a horizontal circle with the string remaining taut. Calculate the angle, between 0 degrees and 90 degrees, that the string makes with the pole. Take g = 9.8 m/s2.
Find the tension of the string.
secretariat ran the 1.25 mi long kentucky derby with times of 25.4 s 24.4 s 23.7 s 23.2 s and 23.5 s for each of the
a 6-kg bowling ball rooling at 5m/s strikesa stationary 4-kg bowling ball.if ball number one is moving forward at 2m/s after the collision, what is the impluse of the system
At a temperature of 20 C, how many kilomoles can be withdrawn from the tank before the pressure falls to 10% of the original pressure?
Two metal cylinders appear to be identical. You measure the radii and find them to be the same. determine the which cylinder has the greater mass of each cylinder
A 9.9 cm long spring (k = 900 N/m) is compressed by 2.4 cm. What is the potential energy due to the spring in Joules
A capacitor with a capacitance of C is charged with charge of magnitude Q on each plate. Find what is the time constant of this RC circuit
You have been given 1.752 g of copper from which you are to fashion a wire whose resistance is 2.519 ohms. What will be the density of the wire you fashion
A 0.25-kilogram mass on a vertical spring oscillates at a frequency of 2.0 Hz. If a 0.60-kilogram mass were instead suspended from the same spring, what would be the frequency of oscillation
An Atwood Machine consists of two blocks m1= 15 kg and m2= 23 kg connected by a masslessstring, What is the normal force on the pin supporting the pulley
Its initial position is x0= 2 meter at t0=0 second. At t=2 second, Find the particle velocity and the particle acceleration
A current of 27.0 mA is maintained in a single circular loop of 1.30 meter circumference. A magnetic field of 0.900 T is directed parallel to the plane of the loop. Obtain the magnetic moment of the loop
the electron gun in a color tv accelerates the electrons through about 25000 volts. estimate the force on such an
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