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A tennis ball of mass mt is held just above a basketball of mass mb and radius Rb. With their centers vertically aligned, both are released from rest at the same moment, so that the bottom of the basketball falls freely through a height h and strikes the ?oor. Assume an elastic collision with the ground instantaneously reverses the velocity of the basketball while the tennis ball is still moving down because the balls have separated a bit while falling. The two balls meet in an elastic collision. To what height does the tennis ball rebound? (you will need to use g for gravity)
A spacecraft drifts through space at a constant velocity. Itthen turns on a jet that provides a constant force in the direction perpendicular to the direction of its initial velocity. What is the shape of the trajectory that the space craft follows..
A ball is thrown so that its initial vertical and horizontal components of velocity are 60 m/s and 15 m/s, estimate the ball's total time of flight
question1 two wires hold up a massive beam of length l16 m and mass 330 kg. a box of mass 220 kg hangs from a wire that
there are two identical positively charged conducting spheres fixed in space. the spheres are 39.4 cm apart center to
A particle (mass = 0.40 kg) moves in one dimension (x) and the potential energy is V(x) = (?1/2) q x2 with q = 7.35 J/m2. The initial conditions at t = 0 are velocity = 0 and position x0 = 2.9 m.
A singly ionized 24Mg ion (mass 3.983 10-26 kg) is accelerated through a 2.8 kV potential difference and deflected in a magnetic field of 500 G in a mass spectrometer. Find the radius of curvature of the orbit for the ion
A 12 kg piece of zinc at 65C is placed in a container of water. The water had a mass of 20 kg and a temperature of 12C before the zinc was added. What is the final temperature of water and zinc
An isolated conductor of arbitrary shape has a net charge of +1.30×10-5 C. Inside the conductor is a cavity within which is a point charge q = +3.25×10-6 C. What is the charge on the cavity wall
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
The skis have a thrust of 189 N and a coefficient of kinetic friction on snow of 0.1. Unfortunatately, the skis run out of fuel after only 9 s. Illustrate what is Sam's top speed?
suppose a stone is thrown upward with an initial velocity of 44 ft per second and is released 4 ft above the ground.
question an electron moves in a circular path perpendicular to the magnetic field of magnitude 0.235t. if the ke of
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