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A uniform cylinder of radius 10 cm and mass 13 kg is mounted so asto rotate freely about a horizontal axis that is parallel to and3.2 cm from the central longitudinal axis of the cylinder. (a) What is the rotational inertia of the cylinder about the axis of rotation? (b) If the cylinder is released from rest with its central longitudinal axis at the sameheight as the axis about which the cylinder rotates, what is the angular speed of the cylinder as it passes through its lowest position?
A tennis ball initially moves with a velocity of 26.0 m/s horizontally to the right. A tennis racket strikes the ball, giving it a velocity of 26.0 m/s to the left. Find the initial velocity of the racket
What is the direction of an electric field that will balance the weight of a 3.7g plastic sphere that has been charged to -3.1nC ? Upward or Downward
a 5 kg block is placed at rest 5 m (as measured from the uncompressed spring) along a smooth 37degrees incline. How high is the next bounce
A one-meter-long glass tube is sealed at one end. How far from the midpoint will the mercury be when the closed end of the tube is immersed in boiling water
A ball of mass m traveling horizontally with velocity v strikes a massive vertical wall and rebounds back along its original direction with no change in speed. What is the magnitude of the impulse delivered by the wall to the ball?
A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two parallel rubber bands. With what speed does the stone leave the slingshot
An air track is tilted so that it makes a small angle with the horizontal. An air cart of mass 0.05 kg is given an initial velocity of 5 m/s as measured by photogates, What is the magnitude of the acceleration for the air cart
A string is clamped at one end and the other end rests on a light, frictionless pulley with a mass hanging below it to provide a tension. What is the mass on the end of the string
An electron ( charge = -1.6 e^-19 C ) is moving at 3.0 e + 5 m/s in the positive X direction. A magnetic field of 0.8 T is in the positive Z direction. Find the magnetic force on the electron
A 41.0-kg child swings in a swing supported by two chains, each 3.08 m long. The tension in each chain at the lowest point is 346 N. Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.)
Bob Richards is production manager of Zychol Chemicals, in Houston Texas, is making his quarterly report, which is to include a productivity examine for his section.
The acceleration of gravity is 9.81 m/s^2. Assuming that air resistance is simply a constant 96 N force on the person during the fall, identify the person's velocity just before hitting the net. Answer in units of m/s.
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