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A 146 g ball moving at -23 m/s is hit by a bat. The ball moves in the opposite direction at 14 m/s. How long did it interact with the bat if the average force was 210 N. Don't forget to include units.
A plate carries a charge of -4.0 µC, while a rod carries a charge of +1.0 µC. How many electrons must be transferred from the plate to the rod
Identical objects are located at the same distance from two spherical mirrors, A and B. Find the ratio fA/fB of the focal lengths of the mirrors
Suppose the slope of a beach underneath the ocean is 20 cm of dropoff for every 1.6 m of horizontal distance. A wave is moving inland, slowing down as it enters shallower water. What is its acceleration when it is 11 m from the shoreline?
question short sections of two very long parallel lines of charge are shown fixed in place and separated by l 10.0 cm.
question a dipole consisting of charges plusmn e 220 nm apart is placed between two very large essentially infinite
The hydraulic lift in a service station is capable of raising cars with a mass up to 2000kg. calculate the diameter of the driving piston if the lifting is to be accomplished with a force not to exceed 100N
In the 1950's, an experimental train that had a mass of 16000 kg was powered across a level track by a jet engine that produced a thrust of 5.76 × 105 N for a distance of 418 m. Find the work done on the train
An RLC circuit has a resistance of 300 ohms and an inductance of 20 mH. its oscillation frequency is 5000 Hz. At time t= 0 the current is 20 mA and there is no charge on the capacitor. what is the current after six complete cycles?
A student throws a 100g snowball at 7.5m/s at the side of the schoolhouse, where it hits and sticks. What is the magnitude of the average force on the wall
A cube of mass m is sliding without friction at speed vo. It undergoes a perfectly elastic collision with the bottom tip of a rod length d and mass M = 2m. The rod is pivoted about a frictionless axle through its center, and initiall y it hangs strai..
The terminal voltage of a certain battery is measured with the battery disconnected and is found to be 6.30 V. Find the voltage across the battery terminals
q1. assume that abc firm has an optimal capital structure comprised of debt preferred stock and common equity. in this
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