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The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is 13200 N and acts asshown in the figure. In flight the engine produces athrust of 59300 N that is parallel to the ground. The rotational axis in the figure is perpendicular to theplane of the paper. With respect to this axis, find the magnitude of the torque due to (a) the weight and (b) the thrust.
q1. a rock of mass m 1.0 kg is tied to a string of length l 1.9 m and is twirled in a vertical circle. the speed v of
24.0g of copper pellets are removed from a 300 ? C oven and immediately dropped into 120mL of water at 24.0 ? C in an insulated cup. What will the new water temperature be
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 4.622 g, is pressed into a leaf of 3.941 µm thickness, what is the area ..
An electric car accelerates for 8.0 s by drawing energy from its300-V battery pack. During this time,1190 C of charge passes through thebattery pack. Find the minimum horsepower rating of the car.
Consider a fusion reaction in which a proton fuses with a neutronto form a deuterium nucleus. How much energy (in MeV) is released in this reaction
An electron ismoving at a speed of 1.2 104 m/sin a circular path of radius of 1.9 cminside a solenoid. Find the strength of the magnetic field inside the solenoid
A person is standing in an elevator that is stationary. What is the weight of the person when the velocity is 3 m/s upward and the acceleration is 2 m/s^2 downward
A ski jumper starts from rest 50.0 m above the ground on a frictionless track and flies off the track at an angle of 45.0° above the horizontal, What is her speed when she leaves the track
The electric field just above the surface of the charged drum of a photocopying machine has a magnitude E of 2.3 105 N/C.The drum has a length of 40 cm and a diameter of 11 cm. What is the total charge on the drum?
Bob, of mass m, drops from a tree limb at the same time that Esther, also of mass m, begins her descent down a frictionless slide. If they both start at the same height above the ground, which is true about their kinetic energies as they reach the gr..
A golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. what was the club velocity before the collision
A skateboarder, with an initial speed of 5.0 m/s, rolls virtually friction free down a straight incline of length 19 m in 3.3 s. What is the angle of the incline
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