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Your goal in laboratory is to launch a ball of mass m straight up so that it reaches exactly height h above the top of the launching tube. You and your lab partners will earn fewer points if the ball goes too high or too low. The launch tube uses compressed air to accelerate the ball over a distance d, and you have a table of data telling you how to set the air compressor to achieve a desired acceleration.
A) Find an expression for the acceleration that will earn you maximum points.
B) Evaluate your answer to part a to achieve a height of 2.5m using a 49cm -long launch tube.
Two lightbulbs operate on the same potential difference. Bulb A has four times the power output of bulb B. What is the ratio of the current in bulb A to the current in bulb B?
A rectangular coil of 58 turns, dimensions 0.100 m by 0.200 m, and total resistance 10.0 ? rotates with angular speed 35.0 rad/s, Calculate the maximum induced emf in the coil
Electrons are located at the points (0,1), (3,4), (1, 2). Find the net electric field at the origin
Two points in a rectangular coordinate system have the coordinates (4.7, 2.5) and (-2.5, 4.7), Determine the distance between these points
Illustrate what is the maximum height of each ball after the elastic collision? What are the coordinates of the CM of the two balls when the lighter ball was pulled up? Consider the heavier ball to be at the origin before the collision.
If the electrons gain this energy by collision between hydrogen atoms in a high temperature gas, calculate the minimum temperature of the heated hydrogen gas
In molecular hydrogen, H2, two hydrogen atoms are bonded covalently by sharing two electrons. Determine the electric force acting on each proton
Why is it sometimes better to use a small telescope in orbit around the Earth than it is to use a large telescope on a mountaintop?
A 1.00 uF capacitor is connected in parallel with a 2.00 uF capacitor. The 1.00 uF capacitor carries a charge of +10.0 uC on one plate, Find the equivalent capacitance of the two capacitors
On illustrate what form does an S corporation report its income to the IRS? When is the tax return due? Illustrate what information does the S corporation provide to shareholders to allow them to complete their tax returns?
A 1300 nF capacitor with round parallel plates 1 cm in radius is accumulating charge at the some unknown rate at time t0. What is the changing rate of the charge
A dielectric-filled parallel-plate capacitor has plate area A = 10.0cm2 , plate separation d = 5.00mmand dielectric constant k = 5.00. Find the energy U1 of the dielectric-filled capacitor
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