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Assume the moment of inertia of the flywheel was 0.10 kg•m2. A sample graph of the angular speed of the flywheel when it was rotated freely is shown. Find the frictional torque present in the bearing.
a positive test charge experiences an electrostatic force in the negative direction of an axis. what is the direction
You might have seen basketball showoffs spinning a ball on the tip of a finger. If such a player performs 1.93 J of work to set the ball spinning from rest, at what angular speed will the ball rotate
A common flashlight bulb is rated at 0.30 Amp and 2.8 Volt (the values of the current and voltage under operating conditions). Estimate the temperature of filament when the bulb is on
A copper wire that is 1 mm thick and 30 cm long is connected to a 1 V battery. What is the power dissipated in the wire at this temperature
A projectile launcher is set up in lab at a height of 1.05 meters above the lab floor. What is the horizontal distance which the projectile travels before it hits the ground
one recent study has shown that x rays with a wavelength of 0.0050 nm can produce significant numbers of mutations in
A beam of polarized light has an average intensity of 15 W/m^2and is sent through a polarizer. find the rms value of the electric field of the transmitted beam
An eagle with 1.8m wingspan flaps its wings 21 times per minute, each stroke extending from 42%u2218above the horizontal to 42%u2218 below. What's the average tangential velocity of the wingtip
A popular pastime is to see who can push an object closest to the edge of a table without its going off. what was the object's speed as you released it
q1. a block with a mass of 20 g is pulled at a constant speed across a horizontal tabletop with a spring scale. the
A bead with a mass of 0.050g and a charge of 20nC is free to slide on a vertical rod. At the base of the rod is a fixed 10nC charge. In equilibrium, at what height above the fixed charge does the bead rest?
You pull upward on a stuffed suitcase with a force of 150 Newton, and it accelerates upward at 0.720 m/s2. Determine What is the weight of the suitcase
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