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A 47.0 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 26.0 m.
(a) Neglect air resistance and determine the kinetic energy of the ball at its highest point.
(b) What is its speed when it is 9.0 m below its highest point?
You are trying to shoot supplies from the ground so that they reach the top of a plane while flying low. The plane is flying at an altitude of y=20 meters high and with a speed of 30m/s, and you want to project your medical supplies with an initia..
A research submarine has a 10-cm-diameter window that is 8.9cm thick, What is the submarine's maximum safe depth in salt water
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 24 m away. what is the height of the image in millimeters on the film
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the metal pendulum
On a sphere with radius a there is an electric charche sigma=sigmazero*cos(theta). Determine the electrostatic potential for all points on the z-axis. (solve with integral over R^3 dV* chargedistribution* Greensfunction).
A hand grenade is thrown with a speed of v0 30 m/s, and a 60 degree angle with x-axis, just prior to exploding. It breaks into two pieces of equal mass after the explosion. One piece has a final velocity of 40 m/s along x. Find the velocity of t..
The North Star (Polaris) is a distance 431 ly away and radiates energy in the form of light at a rate of 8.6 x 1029 W. What is the intensity of this light at the Earth
Two very thick equally-magnetized square plates of side 0.23m and of mass 20 g, are hung by threads 20.0 cm long from a common point. Calculate the magnetic field energy stored between the two plates
What is lemmings kinetic energy
A particle with charge 2.8 C moves through a uniform magneticfield. At one instant the velocity of the particle is (1.4 i +1.2 j + 0.48 k) m/s and the magnetic force on the particle is(11.9 i - 14.1 j + 1.57 k) N.
A flat puck with mass M=.10kg is rotated in a circle with radius R=.20 m on a frictionless air-hockey tabletop at constant speed. then what is the weight G=mg of the dangling block
If 7.50 kg of ice at -5.00°C is added to 12.0 kg of water at 15°C, compute the final temperature. T = 0 C, How much ice remains, if any
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