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The captain of a plane wishes to proceed due west. The cruising speed of the plane is 285 m/s relative to the air. A weather report indicates that a 35.0 m/s wind is blowing from the south to the north. In what direction, measured with respect to due west, should the pilot head the plane relative to the air?
A horse pulls a 300 kg wooden sleigh in the snow via a massless rope. The sleigh is towing a 50 kg wooden box behind it via another massless rope. What is the acceleration of the sleigh
A spherical conducting shell of radius 25.0cm has a charge of -14uC on its outer surface and a charged particle in its hollow. What is the charge of the particle in the hollow
The warm source of a Carnot cycle has a temperature off 100 C, while the cold source consists of melting ice. When the cycle operates for 1 hour it is observed that 1 metric ton of ice has melted. Calculate (a) the heat absorbed in the cycle from the..
A 3800-kg open railroad car coasts along with a constant speed of 8.60 m/s on a level track. what is the speed of the car after 90.0 min
On an air track, a 402.0g glider moving to the right at 2.25m/s collides elastically with a 498.0g glider moving in the opposite direction at 2.90m/s. Find the velocity of second glider after the collision
Blocks A and B are connected across a frictionless pulley by a cord of negligible weight. If block B lies on a horizontal, frictionless surface and block A hangs vertically, what can be said about the acceelration of block B?
A research submarine has a 40.0 cm -diameter window 8.10 cm thick. What is the submarine's maximum safe depth
A disk of radius 3.00 cm has a uniformly distributed charge of Q = 5.20 uC, Calculate the electric field on the perpendicular axis of disk
Pacemaker Batteries Pacemakers designed for long-term use commonly employ a lithium-iodine battery capable of supplying 0.42A-h of charge. what is the expected lifetime of the device
Fleas are notorious jumpers, reaching heights of nearly 20 cm, roughly 130 times their own height. Assuming that the flea acquires its initial velocity in leaving the ground over a distance of half its height, find the average acceleration the fle..
q1. if 25grams of water at 100 degrees celsius are mixed with 15 grams of water at 40 degrees celsius what temperature
A solid ball encounters a 0.760 m vertical rise on the way back to the ball rack. Find the translational speed at the top
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