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A cart of mass 1.4 Kg is temporarily held stationary on an incline at 9.5 degrees to horizontal. A mass of .16 Kg is attached to the cart by a string over a pulley located at the bottom of the incline; the mass hangs freely from the string. when the cart is released from rest, it accelerates through a distance of 3 meters. Assuming no friction or other dissiptive forces:
How much work does gravity do on the cart?
Using the definition of KE, determne the velocity attained by the cart.
an object is thrown upward to a person of a roof . at what point is the objects kinetic energy at its max? at what point is the potential energy of the system at a max
Explain the forces an observer on the turntable would measure on the cannonballs after they leave the cannon. (Include a diagram showing clearly the direction of the forces) measure up to to the forces an observer who is not on the platform would ..
A fighter jet lands on the deck of an aircraft carrier. It touches down with a speed of 70.4 m/s and comes to a complete stop over a distance of 197.4 m, What is the acceleration of the jet
A regulation soccer field for international play is a rectangle with a length between 90.0m and 111mand a width between 57.0m and 70.0m
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
Express the power in terms of some or all of the variables given in the problem introduction.
Object A of mass 1 kg and velocity 10 m/s east collides with object B of mass 2 kg and veocity 8 m/s south. What is the velocity of object B after the collision
A cylinder which is in a horizontal position contains an unknown noble gas at 5.26 Ã- 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system
When you take a bath, how many kilograms of hot water (51 °C) must you mix with cold water (14°C) so that the temperature of the bath is 36 °C? The total mass of water (hot plus cold) is 192kg. Avoid any heat flow between the water and its externa..
A certain species of ionized atoms produces an emission line spectrum according to the Bohr model, Find the next-to-the-longest wavelength in the series of lines
A 5.2 x10^2-newton girl takes 10. Seconds to run up two flights of stairs to a landing, a total of 5.0 meters vertically above her starting point. What power does the girl develop during her run.
A coin is tossed upward with an initial speed of 7.5 m/s2, What is the total time it is in the air before returning yo it's releasing point
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