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A projectile is launched with a initial velocity of magnitude a at a angle B to the horizontal. Find its maximum vertical displacement, ignoring effects due to the air.
A microscope has an objective lens of focal length 6.75 mm. The objective forms an image 16.4 cm from the lens. How far from the objective should the object be placed
A skier slides down along a frictionless snow slope starting from rest at point A with elevation hA = 84 m. Ignore air resistance. Find the speed of the skier at point B with elevation hB = 21 m and point C with elevation hC = 62m
A solid sphere is released from height h from the top of an incline making an angle ? with the horizontal. (a) Calculate the speed of the sphere when it reaches the bottom of the incline in the case that it rolls without slipping.
Certain neutron stars (extremely dense stars) are believed to be rotating at about 1000 rev/s. If such a star has a radius of 11 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?
When a carpenter shuts off his circular saw, the 10.0 inch diameter blade slows from 4250 rpm to 0.00 in 1.00 s. What is the distance traveled by a point on the rim of the blade during the deceleration
An energy of 28.0 eV is required to ionize a molecule of the gas inside a Geiger tube, What maximum number of ion pairs can it create
A small hole of a 2.6 cm diameter has developed in the hull of a ship 4.0 m below the waterline. At what rate is water flowing into the ship
The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
A ball of mass m and another ball of mass 3m are placed inside a smooth metal tube with a massless spring compressed between them. With what speed does the lighter ball emerge from the other end
a bicyclist of mass 54 kg puts all his weight on each downward-moving pedal as he pedals up a steep road. determine the magnitude of the maximum torque he exterts in the process
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg, What is the dart's speed
The refracting telescope at the Yerkes Observatory has a 1.00-m diameter objective lens of focal length 20.0 m. Assume it is used with an eyepiece of focal length 1.90 cm. (a) Determine the magnification of Mars as seen through this telescope.
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