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A superball of mass M and a marble of mass m are dropped from a height h with the marble just on top of the superball. A superball has a coefficient of restitution of nearly 1 (i.e., its collision is fundamentally elastic). Ignore the sizes of the super ball and the marble. The superball collides by the floor; rebounds, and smacks the marble, which moves back up. How high does the marble go if all the motion is vertical? How high does the superball go?
What is magnitude of the force that a concrete support exerts on the bridge at each end. The cloth exerts a friction force of 0.100 N on the mug and the cloth is pulled with a constant acceleration of 3.00 m/s.
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 39.1 J, What is the kinetic energy of the system at the equilibrium point
a flat surface having an area of 3.2 m2 is rotated in a uniform electric field of magnitude e 6.2 x 105 nc.determine
The Leaning Tower of Pisa is 55m tall and about 7.0m in diameter. The top is 4.5m off center. Is the tower in stable equilibrium? If thus how much farther can it lean before it becomes unstable? Suppose the tower is of uniform composition.
1. if the electric field exceeds about 3106 nc in air a spark occurs. approximately what is the absolute value of the
A steel ball of mass m1 = 1.1 kg and a cord of length of L =1.8 m of negligible mass make up asimple pendulum that can pivot without friction about the pointO, as in the figure below.
A 50 kg person on a merry-go-round is traveling in a circle with a radius of 2 m at a speed of 6 m/s. What acceleration does the person experience
If an isolated conducting sphere 10 cm in radius has a net charge of +7.9 µC, what is the potential on the surface of the sphere
During takeoff, an airplane climbs with a speed of 160 m/s at an angle of 24 degrees above the horizontal. How fast is the shadow of the plane moving along the ground
Consider a fusion reaction in which a proton fuses with a neutronto form a deuterium nucleus. How much energy (in MeV) is released in this reaction
A projectile is fired at an angle of 55 degrees above the horizontal with an inital speed of 35.0 m/s. What is the magnitude of the horizontal component of the bullet's
If a point charge is located at the center of a cube and the electric flux through one face of the cube is 5.0Nm^2/C, what is the total flux leaving the cube
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