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1. How far, in terms of wavelength, does a wave travel in 1.5 periods?
2. A ball is tossed upward so that it will be airborne for six seconds.
a) Find the initial velocity.
b) How high will it go? ( Hint: A the highest point the final velocity is 0)
c) Find it's velocity when it hits the ground.
Sit on a rotating chair. Slowly twist your body in one direction and after that rapidly twist it in the other. What is going to happen? Is angular momentum conserved and if not why.
a battery with an emf of 12.00 v has an internal resistance r. when connected to a resistor r the terminal voltage is
You are stranded on a deserted island. You have some wire, but no magnets. You decide to use the Earth's magnetic field, the only one available to you. What area must the coil have
Draw a free body diagram for the skateboarder at the bottom of the ramp
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 151 N on the wire. The left section of the wire makes an angle of..
Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 370 to 260 K. What is the work done by (or done to) the gas? Include the algebraic sign.
A 195g oscillator has a speed of 124cm/s when its displacement is 3.50cm and 55.0cm/s when its displacement is 6.90cm what is the oscillators max speed
A 1.50cm diameter parallel plate capacitor with a spacing of 0.600mm is charged to 400V. What is the total energy stored in the electric field
An object with a mass of 72.0 g displaces 590.0 ml of water when it is completely immersed. What is the buoyant force on the mass?
q1. an automobile with a mass of 1340 kg has 3.00 m between the front and rear axles. its center of gravity is located
The position of a particle moving along an x axis is given by x = 17t2 - 6.0t3, where x is in meters and t is in seconds. What is the maximum positive coordinate reached by the particle
In a particular double slit experiment, ther distance between the slits is 50 times the wavelength of light. find the angles at whcih the first two minima occur
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