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Bob has just finished climbing a sheer cliff above a beach and wants to figure out how high he climbed. All he has to use; however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher and knows that the fastest he can throw the ball is about 32.5 m/s. Bob starts the stopwatch as he throws the ball (with no way to measure the ball's initial trajectory), and watches carefully. The ball rises then and then falls, and after .510 seconds the ball is once again level with Bob. Bob can't see well enough to time when the ball hits the ground. Bob's friend then measures that the ball landed 125 m from the base of the cliff. How high up is Bob if the ball started from exactly 2 m above the edge of the cliff?
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal. what is the retarding force due to friction
Calculate, using Newton's law of gravity, the magnitude of the force of attraction between the Earth and a mass of 16.000 kg on the Earth's surface
A simple pendulum consists of a ball of mass 5.00 kg hanging from a uniform string of mass 0.0510 kg and length L, determine the speed of a transverse wave in the string when the pendulum hangs vertically
A rocket moves straight upward ,starting from rest with an acceleration of +29.4 m/s2. it runs out of fuel at the end of 10.00 seconds, find the maximum height the reaches
A 15-uF capacitor is connected to a 50-V battery and becomes fully charged. What is the voltage across the capacitor's plates after the slab is inserted
Scientists want to place a 3600.0 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.8 times the radius of Mars above the surface of the planet. What is the force of attraction between Mars and the satell..
At a certain location, the Earth's magnetic field has a magnitude of 5.8×10^-5, Find the magnitude of the magnetic flux through the top of a desk at this location that measures 140cm by 77cm
Two long, parallel wires separated by 5.00 cm carry currents in opposite directions. Find the magnitude of the force per unit length
discussion topic 11.discuss how differentiation and integration theorems simplify analysis of time-based
A solid cylinder has a mass of 3.2kg and a radius of 0.6m. find the linear acceleration of the center of mass of the cylinder?
A thin film of oil (n = 1.29) is located on smooth, wet pavement. What is the minimum thickness of the oil film
A current of 74.8 mA exists in a metal wire, In what direction do the electrons travel with respect to the current
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