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At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.3m above the water. One diver runs off the ede of the cliff, tucks into a "ball" and rotates on the way down with an average angular speed of 1.6 rev/s. Ignore air resistance and determine the number of revolutions she makes while on the way down.
Tony pulls his cousin Ann in a sled on an icy surface (no friction) with a force of 60N at an angle of 60 degrees upward from the horizontal
A lens with a refrective index of 1.5 is coated with a material of refractive index of 1.2 in order to minimize the reflection. what is the thinnest possible coating
a 750g mass traveling at 8m/s undergoes a head on elastic collision with a 50g mass traveling towards it at 8m/s. What is the speed of the 50g mass after the collision
One-half mole of a monatomic ideal gas expands adiabatically and does 520 J of work. Specify whether the change is an increase or a decrease
A 68.0-O resistor is connected in series with a 76.0-µF capacitor and a generator having a maximum voltage of 1.20 102 V and operating at 60.0 Hz
A 2.0 m conductor is formed into a square and placed in thehorizontal xy-plane. What is the magnetic flux through the conductor
consider this nasa decides to build a house on the moon and to keep time they send up the grandfather clock from the
It position is xo>0 and i give it a kick so that it moves back towards the origin and executed simple harmonic motion with amplitude 2xo. Find out its position as a fuction of time in the forum of x(t)=acos(wt-&)
How much work does a steam crane need to do in order to lift a 108,500 kg locomotive back onto the track if the locomotive has been derailed into a ditch 3.25 meters below the level of the tracks
A uniform can with mass M and height H is filled to the top with water. The initial mass of the water is 2M, What is the minimum height of the center of mass as the water drains out
The thermal mass can be a large quantity of stone (with specific heat 800 J/kg °C) in the floor and the interior walls exposed to sunlight. What mass of stone is required if the temperature is not to drop below 18°C overnight
A parallel-plate capacitor with circular plates is beingcharged. Consider a circular loop centered on teh central axis andlocated between the plates. what is the displacement current between the plates
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