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An electric fan is running on HIGH. After the LOW button ispressed, the angular speed of the fan decreases to 91.4 rad/s in 1.73 s. The deceleration is 37.8 rad/s2. Determine the initial angular speed of the fan.
A 1.7 kg block and a 2.3 kg block are attached to opposite ends of a light rope. Find the acceleration of the lighter block
a subway train starts from rest at a station and accelerates at a rate of 1.64 for 13.1 . it runs at constant speed for
A 3.1 kg bundle starts up a 30° incline with 178 J of kinetic energy. How far will it slide up the incline if the coefficient of kinetic friction between bundle and incline is 0.30
A particular material has a dielectric constant of 1.7 and a dielectric strength of 14.0 MV/m. If this material is used between the plates of a parallel-plate capacitor, what is the minimum area of the capacitor plates to obtain a capacitance of 4..
A 722 kg car stopped at an intersection is rear-ended by a1620 kg truck moving w/ a speed of 14.5 m/s. What is the speed of the wreck immediately after the collision
Coefficient of linear expansion for aluminium
Illustrate what is the magnitude of the apparent weight of a 78kg astronaut 5200km from the center of the Earth's moon in a space vehicle moving at constant velocity?
A screen 1.8 m wide is located 3.6 m from a pair of slits illuminated by 620 nm laser light, Find the highest-order bright fringe that will appear on the screen of the slit spacing is .20 mm
a car traveling at 30ms overtakes another car only going 25ms. when the faster car is still behind the slower car it
question when a beam of monochromatic light is incident on two narrow slits by a distance .14 mm the angle between the
Two forces on the object are = 4.3 at 80 below the +x-axis and = 4.3 at 34 above the -x-axis. Is there a third force on the object? Find the direction of the force
A surfer is riding a wave. Suppose she starts at the top of the wave with a speed of 1.87 m/s, how much work is done by the (non-conservative) force of the wave
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