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A 740g, 40cm long rod is free to rotate about a frictionless axle at one end. While at rest, the rod is given a short but sharp 1000N hammer blow at the center of the rod, aimed in a direction that causes the rod to rotate on the axle. The blow lasts a mere 2.5ms. What is the rod's angular velocity immediately after the blow?
A sound source is moving away from the stationary listener at 80 m/s. Find the frequency heard by the listener
a film of index of refraction of 1.4 and thickness of 1.2*10^-5 m is on a lens with an index of refraction of 1.6. find the path length difference between the two reflected rays
Suppose a small boat is at the crest of this wave, 1.5 {rm m} above the equilibrium position. Illustrate what will the vertical position of the boat be 5 seconds later?
Explain any advantages in using Conservation of Energy method to determine initial projectile velocity
The elementary particle called a muon is unstable and decays after 2.20 ?s, What lifetime do you observe for the muon
A bacterium (mass = 2 × 10-15 kg) in the blood is moving at 0.28 m/s. What is the de Broglie wavelegth of this bacterium
Four 6.50 kg spheres are located at the corners of a square of side 0.68 m. Calculate the magnitude and direction of the total gravitational force exerted on one sphere by the other three.
A 965-kg satellite orbits the Earth at a constant altitude of 94-km. What is the change in the system's kinetic energy
Find the surface tension force on water inside a tube and height to which the water rises in the tube.
A motorist inflates the tires of her car to a pressure of 170 kPa on a day when the temperature is -8.0°C. What is the temperature of the tires
The Achilles tendon inserts on the calcaneus at a distance of 8cm from the axis of the ankle joint. The force generated by the muscles attached to the Achilles tendon is 3000N, and the moment arm of this force is 5cm. a) Draw a free body diagram o..
You have a grindstone ( a disk) that is 80.0 kg, has a .349-m radius, and is turning at 104.0 rpm, Calculate the angular acceleration of the grindstone
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