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A 2658 N force is applied 2 cm from the axis of rotation and is parallel to the lever arm. A rotating body has an angular acceleration of 21rad/s2. A 185 N force is applied at the axis of rotation. A force is applied 73 cm away from the axis of rotation and is perpendicular to the lever arm. A sphere is spinning by a constant angular velocity.
12 volts is applied across a 4 ohm resistor. How much power is dissipated by the resistor
a 7.5nc charge is located 1.8m from a 4.2nc charge. find the magnitude of the electrostatic force that one charge
It takes sound waves of frequency 500 Hz 14.7 ms to make a round trip through a hollow pipe of length 7.5 m filled with helium. What is the speed of sound in helium
A small block with mass m1 rests on a frictionless horizontal tabletop a distance r from a hole in the center of the table. A string tied to the small block passes down through the hole, and a larger block m2 is suspended from the free end of the ..
The orbit of this second satellite has a radius of 8.45 x10^6 m. What is the orbital speed of the second satellite.
A 70kg block is pushed 5m up an incline against a friction force of 50N. The block is pushed to a height 1m above the ground. How much work is done by the person on the block
Unpolarized light passes through two polarizers in turn with polarization axes at 33° to one another. What is the fraction of the incident light intensity that is transmitted
A 260 g block is dropped onto arelaxed vertical spring that has a spring constant of k =2.5 N/cm. The block becomes attachedto the spring and compresses the spring 11 cm before momentarily stopping.
If the Sun were to disappear or somehow radically change its output, how long would it take for us on Earth to learn about it
read the article basic choices and constraints on longterm energy supplies paul b. weisz. summarize the article in
Four moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 300 to 285 K. What is the work done by (or done to) the gas? Comprise the algebraic sign.
q1. a rightward force of 302 n is applied to a 28.9 kg crate to accelerate it across the floor. the coefficient of
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