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A ball is thrown vertically upward from the ground with an initial speed of 15.00 m/s.
(a) What is its maximum altitude?
(b) How long does it take the ball to reach its maximum altitude?
(c) Determine the velocity of the ball at t = 2.00 s.
A projectile is fired with an initial speed of 37.8m/s at an angle of 44.7 degrees above the horizontal on a long flat firing range. Determine the total time in the air
A person wearing the shoes has a mass of 65kg. Estimate the pressure exerted on a floor by one wide heel of area 16 cm2
Two atomic clocks are carefully synchronized. One remains in New York, and the other is loaded on an airliner that travels at an average speed of 250m/s, Which clock will show the shorter elapsed time
In the model of the hydrogen atom created by Niels Bohr, the electron moves around the proton at a speed of 2.20 106 m/s in a circle of radius 5.30 10-11 m. determine the magnetic moment associated with this motion
Starting with the three particle system, find the change in electric potential energy if the alpha particle is allowed to escape to infinity while the two protons remain fixed in place. (Throughout, neglect any radiation effects.)
A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 8.1 m/s, What was the initial direction of the ball
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Calculate the radius a of the iron core
A spring has a spring constant = 40 N/m. It is compressed by a distance 10 cm. The mass of the cart is 300 grams. The angle of incline of the track is 20º.
A beam of parallel light, 1.50 mm in diameter passes through a lens with a focal length of 13.7 cm. What is the distance between the two lenses
The resistivity of gold is 2.44 x 10-8 ohms.m at room temperature. A gold wire that is 0.9 mm in diameter, What is the electric field in the wire
a magnetic field is directed at a 40 degree angle to a plane circular loop of wire with a radius of 26.8 cm draw a diagram showing the wire loop angle and magnetic field. determine the induced emf in the wire loop
What is the angular displacement, angular velocity and angular acceleration of the second hand on a clock over the time interval in which it moves from the 12 to the 6
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