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A rotating object starts from rest at t = 0 s and has s constant angular acceleration. At a time t = 7.0 s the object has an angular velocity of omega = 16 rad/s. What is the angular velocity at time t = 14 s?
An 85-kg jogger is heading due east at a speed of 2.5 m/s. A 55-kg jogger is heading 24° north of east at a speed of 3.7 m/s. Find the magnitude and direction of the sum of momenta of the two joggers.
ricardo and jane are standing under a tree in the middle of a pasture. an argument ensues and they walk away in
A dolphin leaps out of the water at an angle of 36.1 ° above the horizontal. Find the magnitude of the vertical component of the velocity
What is Rosie's power output. A long, straight wire carries a current of 44 A. The magnetic field produced by this current at a certain point is 8.0 x10-5 T. How far is the point from the wire.
a skydiver of mass 80 kg jumps from a slow-moving airplane and reaches a terminal speed of 50 ms. what is the
What is the magnitude of the torque about the point where the beam is bolted into place.
A 50kg woman is in a rotor with a 2m radius, laying against theinner surface. The friction between the woman’s sweater andthe surface is μs = 0.5. (a) The rotor begins spinning with aconstant angular acceleration α, and when the rotor reachesenoug..
Three uniform meter sticks, each of mass , are placed on the floor as follows: stick 1 lies along the axis from = 0.290 m to = 1.29 m, compute the location of the center of mass of the meter sticks
A 0.700kilogram ball is on the end of a rope that is 1.30 meter in length. Evaluate what is the tangential speed of the ball
A 3.0 kg ball has a velocity of 25 m/s downward now before it strike the ground and bounces up with a velocity of25 m/s upward, What is the change in momentum (impulse) of the ball?
Jonathan is riding a bicycle and encounters a hill of height h. What is the total external work done on the system of Jonathan and the bicycle between the time he starts up the hill and the time he reaches the top
Determine what is the sound intensity of a whisper at a distance of 2.0 meter, in W/m2
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