Estimate magnitude of the total acceleration
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. At a point on the platform that is 1.30 m from the axis of rotation, what is the magnitude of the total acceleration a?
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Determine the normal force for a laundry basket with a mass of 4.8 kg in each of the following situations (a) at rest on a horizontal surface (b) at rest on a ramp inclined at 12 above the horizontal
Students are having a water balloon fight in the hallway. The ceiling is of height 3.4m, and the balloons are launched at a velocity of 11 m/s. The acceleration of gravity is 9.8 m/s^2. At what angle must they be launched to just graze the ceiling
A 65 kg human sprinter can accelerate from rest to 10 m/s in 2.9 s. During the same interval, a 33 kg greyhound can accelerate from rest to 20 m/s. Compute (a) the change in kinetic energy and (b) the average power output for each.
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How many extra electrons are on this particular oil drop (given the presently known charge of the electron)?
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A 0.429 kg ice puck, moving east with a speed of 2.91 m/s, has a head-on collision with a 0.846 kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed and direction of each object after the collision?
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