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A 3 m rod is rotating with an oscillating angular momentum given by sin(2t). If a small rocket with oscillating linear momentum 10-cos(2t) is fired at t = 0, at what time will it need to strike the rod in order to be in equilibrium?
Starting from rest, a 94-kg firefighter slides down a fire pole.The average frictional force everted on him by the pole has amagnitude of 810 N, and his speed at the bottom of the pole is 3.9m/s. How far did he slide down the pole?
Suppose an electron starting from rest is accelerated in a uniform electric field directed horizontally and having a magnitude of 3000N/C . The electric field covers a region of space 12.5cm wide.
A rotating object starts from rest at t = 0 s and has aconstant angular acceleration. At a time of t = 7.0 s the object has an angular velocity ofω = 13 rad/s. What isits angular velocity at a time of t = 14 s?
A horizontal wire rod is free to slide on a vertical conducting. The wire has mass 7 kg and length 7 m, find the terminal velocity of the wire
A rubber ball with a radius of 4 centimeter rolls along the horizontal surface of a table with a constant linear speed v. If the ball completes 0.47 revolutions during its fall, calculate what was its linear speed, v
A synchronous satellite orbiting a planet remains ''stationary'' on a fixed longitude even as the planet rotates, so that their periods are the same. Determine the orbital radius of a satellite
For each layer of the OSI model
A cylindrical diving bell 2.00 min diameter and 5.00 m tall with anopen bottom is submerged to a depth of 220 m in the ocean. How high does the seawater rise in the bell when it is submerged inmeters
A turntable with a moment of inertia of 4.8 kg · m2 rotates freely with an angular speed of 33 1/3 rpm. Calculate the angular speed of the turntable
A spring, with a force constant 5.00x10^2 n/m, is horizontal with one end fixed to a wall and the other end free. How far will the block travel once the spring is released
Find out how far from the center of the earth this location is. The mass of the earth is 5.98x10^24 kg. The mass of the moon is 7.35x10^22kg. The mean distance between the moon and the earth is 3.85x10^8 m
You're carrying a 3.6-m-long, 25kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35cm from its tip.
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