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A ball of mass m bounces horizontally back and forth between two heavy vertical walls, each of mass M>>m. The separation between the walls is L and the kinetic energy of the ball is K (assume that it does not decrease, i.e. that the collisions are always elastic). Find the average force on each wall. HINTS: It will help to first answer two questions. What is the impulse given to a wall during one bounce? How many bounces occur in a given amount of time t?
a ball leaves a 0.60 meter high table with an initial horizontal velocity of 2.4 ms. predict the time required for the
A radio antenna broadcasts a 1.0 MHz radio wave with 29kW of power. What is the wave's intensity 33km from the antenna
A test tube contains 2.86x10-4 m3 of liquid carbon tetrachloride (? = 1240x10-6 (C°)-1) at a temperature of 67.0°C. Find the volume of carbon tetrachloride in the test tube at -13.0°C
An object 0.600cm tall is placed 16.5cm to the left of the vertex of a concave spherical mirror having a radius of curvature of 24.0cm. Determine the orientation of the image
An FM radio station transmits at a frequency of 80 MHz and a total power of 65 kW. How many photons does this station emit each second
A disk of mass M and radius R is initially at rest. It is acted upon by a constant torque N for a time t. what was the minumum power rating of the motor
A proton moves at a speed of 1100 m/s in a direction perpendicular to a magnetic field with a magnitude of 0.80 T
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
A pipe open at one end and closed at the other has a fundamental frequency of 308 Hz at 3.70 degrees
If we want to have successive fringes on a screen 5.9 cm apart near the center of the pattern, where should we place the screen
When two identical ions are separated by a distance of 8.6×10?10 m, How many electrons are missing from each ion
An electric motor can accelerate a Ferris wheel of moment of inertia I = 19500 kg·m2 from rest to 9.4 rev/min in 12.0 s, Determine the torque generated by the motor to bring the wheel to 9.4 rev/min
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