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A bullet of mass 6 g strikes a ballistic pendulum of mass 1.8 kg. The center of mass of the pendulum rises a vertical distance of 12 cm. Assuming that the bullet remains embedded in the pendulum, Compute the bullet's initial speed, m/s
a bolt comes loose from underneath an elevator that is moving upward at a speed of 4.5 ms. the bolt reaches the bottom
Bronco Brown is mowing his lawn. He applies a force F along the handle of the lawnmower as shown. Bronco moves the mower at constant velocity.
Using their ship’s engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 450 m apart. Explain how much time does it take for the ship and the asteroid to meet?
At the factory, a noon whistle is sounding with the frequency of 464 Hz. As a car travelling at 76 km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
You are given a charged metal sphere mounted to an insulating post. You have two other identical but uncharged spheres on their own similar insulating posts. Explain the procedure to give the two uncharged spheres each a roughly equal but opposite..
A steady current 1.5 amps flows in a wire out of the page. A small +4 uc point charge is 5 can away from wire, What is the magnetic force acting in the charge
A block of mass 1.7kg is in a spring (k= 250N/m^2) compressed 3.0m. The spring is frictionless, but friction exists past the equilibrium point. What is the initial mechanical energy of the system
An anchor, made of cast iron of bulk modulus 60.0 × 109 Pa and of volume 0.230 m3, Find the change in the volume of the anchor
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere. how far below the water can she swim
In a two-slit experiment a third order bright fringe is observed at an angle of 7.10°. If the wavelength of light is 595 nm, what is the slit separation?
a small object a electrically charged creates an electric field. at a point p located 0.250 directly north of a the
Tarzan swings on a 28.0-m-long vine initially inclined at an angle of 37.0° with the vertical. What is his speed at the bottom of the swing if he starts from rest
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