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A vertical spring (spring constant =165 N/m) is mounted on the floor. A 0.390-kg block is placed on top of the spring and pushed down to start it oscillating in simple harmonic motion. The block is not attached to the spring.
(a) Obtain the frequency (in Hz) of the motion.
(b) Determine the amplitude at which the block will lose contact with the spring.
Pitman Co's tax rate is 40% for 2013 an all future years. At the end of 2013, the following deferred tax account and balance that should be reported on Pitman's balance sheet is?
The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value.
A permanent dipole is at rest at origin of a coordinate system with a random orientation. What is the equilibrium orientation of the dipole
A 20.0 ?, 9.00 ?, and 9.00 ? resistor are connected in parallel to an emf source. A current of 6.00 A is in the 9.00 ? resistor. Calculate the equivalent resistance of the circuit
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
X-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle
James Stewart, 2002 Motocross/Supercross Rookie of the Year, is leading a race when he runs out of gas near the finish line. Determine the distance the racer travels before coming to a stop
Two wheels have the same mass and radius of 4.5 kg and 0.39 m, respectively. One has (a) the shape of a hoop and the other (b) the shape of a solid disk. The wheels start from rest and have a constant angular acceleration with respect to a rotatio..
A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 5.8 m/s. The rooftop is a distance above the ground, h = 43 m.
A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 5.0 x 10^6 g at a distance of 4.00cm from the axis. What angular velocity in rev/min is necessary.
A butterfly moves with a speed of v = 12.0 m/s east of North. The y-component of its velocity is 8.00 m/s. The angle between the direction of its motion and the x-axis.
The electric field inside a 50.0?cm? long copper wire is 5.00mV/m .What is the potential difference between the ends of the wire
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