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An airplane propeller is 3.08 in length (from tip to tip) and has a mass of 142 . When the airplane's engine is first started, it applies a constant torque of 1850 to the propeller, which starts from rest. What is the angular acceleration of the propeller? Treat the propeller as a slender rod. What is the propeller's angular speed after making 5.00 ? How much work is done by the engine during the first 5.00 ? What is the average power output of the engine during the first 5.00 ? What is the instantaneous power output of the motor at the instant that the propeller has turned through 5.00?
A 21 kg solid door is 220 cm tall, 94 cm wide. What is the door's moment of inertia for rotation about the vertical axis inside the door, 17 cm from one edge.
An object is moving in a circular path of radius 4.00 m. If the object moves through an angle of 30.0 degrees, then what is the tangential distance traveled by the object
The mass of a star is 1.75·1031 kg and it performs one rotation in 37.3 days. Find its new period (in /days) if the diameter suddenly shrinks
Consider a heavy particle of mass m is place at the top (on the outside side, not inside) of a vertical hoop of radius R and mass M. find the location of the hoop center X as a function of angle theta of the falling particle
The sun emits electromagnetic radiation that hits the Earth. the maximum wavelength that the sun emits is at =545NM. AT THIS wavelength, the intensity of light from the sun that strikes the Earth is I= 650 W/m2
An earth satellite moves in a circular orbit with an orbital speed of 5900m/s. Find the time of one revolution of the satellite
An initially uncharged hollow metallic sphere with radius of 5 cm has a small object with a charge of +10 µC carefully placed at the center of the sphere through a hole in the latter's surface
The density of water is 1000kg/m^3 or 8.33lbm/gallon, the mass flow rate is 494838.83 kg/s and goes through a turbine generator that has 0.80 efficiency
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. what is the force of gravity on this satellite
A soccer ball is kicked with an initial speed of 9.8 m/s. After 0.200 s it is at its highest point. What was its initial direction of motion
Two metal rods of equal length-one aluminum, the other stainless steel-are connected in parallel with a temperature of 24.0?C at one end, by what factor does the rate of heat flow change
A bowling ball of mass 2.7 kg and radius 9.5 cm rolls from rest, What is the speed of the ball at the bottom of the incline
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