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A system of inertia 0.55 kg consists of a spring gun attached to a cart and a projectile. The system is at rest on a horizontal low-friction track. A 0.050-kg projectile is loaded into the gun, then launched at an angle of 40 degrees with respect to the horizontal plane. With what speed does the cart recoil if the projectile rises 2.5 m at its maximum height?
A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two parallel rubber bands. It takes a force of 15 N to stretch either one of these bands 1.0 cm.
A 5.00 g object moving to the right at 20 cm/s makes an elastic head on collision with a 10.0 g object that is initially at rest. Find (a) velocity of each object after the collision and (b) the fraction of the initial kinetic energy transferred to t..
Two small, positively charged spheres have a combined charge of5.2*10-5 C. If each sphere is repelled from the other by an electrostatic force of 2.25 N when the spheres are 1.6 m apart, what is the charge on sphere with the smaller charge?
An incident light ray strikes a mirror with an angle of 30° to the surface of the mirror. What is the angle of the reflected ray?
What is the angular frequency of the AC source?Determine the reactance of the inductor. Determine the reactance of the capacitor.Determine the impedance of the circuit.
suppose you adjust your garden hose nozzle for a hard stream of water. you point the nozzle vertically upward at a
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. What is the refractive power of a magnifying glass that has an angular magnification of 7.9 when the image of the stamp is located at the near point
A spaceship travels at a constant speed from earth to a planet orbiting another star. compute How far away is the planet
a carousel is free to rotate about its center onfrictionless bearings the carousel has an angular speed of 3.14rad/s , a moment of inertia of 125 kg/m^2, what is the resulting angular speed of the carousel and the person
A 110 kilogram horizontal beam is supported at each end. A 320 kilogram piano rests a quarter of the way from one end. Determine the vertical force on each of the supports
A glass vial filled with mercury vapor (4.88 eV between ground state and first excited state), is placed between the cathode and anode of a photoelectric effect apparatus. Assume that the glass is so thin that it will not reduce the energy of phot..
Appetizer Problem 1-5 Points A 1.4kg kitten is suspended in the air in front of the class. Other than looking utterly surprised, its not doing anything. (Not moving up or down.) only gravity and an electric field is acting on the kitten. If the ca..
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