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A rocket of mass 4.5x105kg is in flight. Its thrust is directed at an angle of 49.0degrees above the horizontal and has a magnitude of6.30 x 106 N. Find the magnitude and direction of the rockets acceleration. Give thedirection as an angle above the horizonal.
A charge of 3.80 10-6 C is placed on a small conducting sphere that is located at the end of thin insulating rod whose length is 0.22 m. The rod rotates with an angular speed of ω = 156 rad/s about an axis that passes perpendicularly through its o..
A 25 g glass tumbler contains 450 mL of water at 24°C. what is the final temperature of the drink
A monatomic ideal gas in a rigid container is heated from 212 K to 305 K by adding 7840 J of heat
Consider a solid sphere and a thin shell with the same radius and the same mass. Explain why the thin shell has a greater amount of intertia
A proton initially at rest is accelerated by a uniform electric field. The proton moves 6.48 cm in 1.20 10-6 s. Find the voltage drop through which the proton moves
A 2Kg wood block is attached to a .3 g bucket by a massless string rests on the durface of and inclined plan of 20 degrees. the coefficient of friction between the block and the inclined plane are static friction is equal to .4 and kinetic frictio..
A hot air balloon is rising upward with a constant speed of 5 m/s. How high above the ground is the balloon when the compass hits the ground
A 53.26 g sample of a substance is initially at 29.9 °C. After absorbing 2429 J of heat, what is the specific heat of the substance
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 74.5kg , What is the final speed of the crate if Jill jumps first and then Jack, again in the same direction
carnival ride has a large horizontal steel disc of radius 5m from which cars are suspended by a 6m long chain. the disx is rotated about its axis so that the cars swing out and revolve in a circular path. at operation speed the angle of the chains ..
A 118 g cube of ice at 0°C isdropped into 1.0 kg of water that was originally at 84°C. What is the final temperature of the water after the ice has melted
A bugle is simply a tube of fixed length that behaves as if it werean open organ pipe. (open at both ends) A bugler, by adjusting his lips correctly and blowingwith proper air pressure, can cause a harmonic (usually other than the fundamental) of ..
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