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A 76 g, 31 cm long road hang vertically on frictionless horizontal axle passing through its center a 10 gram ball of clay travelling horizontally at 2.6m/s hits and stick to the very bottom tip of the rod. To what maximum angle, measured from vertical, does the rod(with the attached ball of clay) rotate?
The pilot of an airplane notes that the compass indicates a heading due west. The plane's speed relative to the air is 150 km/h. Find the velocity of the airplane relative to the ground
When the displacement in SHM is 0.2 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of total energy is potential energy
A 5cm object is 30 cm in front of the converging lens with a focal length of 15 cm. calculate the image height
UVB photons have a wavelenghth of 300nm. what is the frequency of UBV photons, What is the energy of a UBV photon in JOULES
An elevator at the CN Tower in Toronto, Canada, What is the minimal power required for the motor of the elevator
A rock is thrown off a bridge of height 75m. at an angle theta=25 degrees with respect to the horizontal. The initial speed of the rock is 15 m/s. compute the maximum height reached by the rock?
A tennis ball is shot out of a tennis practice machine at an angle of 18 upwards of the horizontal, at a speed of 20 m sec??1, from a height of 0.5 metre. at what height above ground would the ball be struck
An 150kg man climbs up a 1m high flight of stairs, What is the increase in the gravitational potential energy of the man-earth system
a stone with a mass of 95 g is being whirled in a horizontal circle on the end of a string that is 85 cm long. what is the angle that the string makes with the horizontal
the center of a 1.50 diameter spherical pocket of oil is 1.00 beneath the Earth's surface.Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth?suppose the density of oil is 8.10^2 ..
A light spring-gun projectile launcher is mounted on an 0.493 kg air track glider. What is the speed of the air-track glider after the gun is fired
You are traveling on an airplane. The velocity of the plane with respect to the air is 130.0 m/s due east. What is the speed of the plane with respect to the ground
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