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The drive propeller of a ship starts from rest and accelerates at 3.00 x 10-3 rad/s2 for 2.70 x 103 s. For the next 1.90 x 103 s the propeller rotates at a constant angular speed. Then it decelerates at 3.00 x 10-3 rad/s2 until it slows (without reversing direction) to an angular speed of 3.90 rad/s. Find the total angular displacement of the propeller.
A piece of string 5.30 m long has a mass of 14 g. What must the tension in the string be to make the wavelength of a 128 Hz wave 120 cm.
The student throws a ball into the air along a path that he judges to make an initial angle of 59° with the horizontal and to be in line with the track. The student's professor, who is standing on the ground nearby, observes ball to rise verticall..
A copper wire is 10.00 m long and has a cross-sectional area of 1.00 x10-4 m2. This wire forms a one turn loop in the shape of a square and is then connected to the battery that applies a potential difference of 0.200 V.
The four strings pass over the bridge of a violin, as shown below. The strings make and angle of 72.0° with the normal to the plane of the instrument on either side of the bridge. Determine the tension in the strings
Laser light of intensity 1.5 W/m2, polarized so that its electric field vector makes an angle 45o with the x-axis, What would the intensity of the transmitted light be if the second transmission axis were perpendicular to the initial polarization
A hockey stick is swung with the average angular acceleration of 1.5 rad/s2. What is the angular velocity of the stick as it strikes the ball at the end of 0.8 second swing.
Assume that positive -axis is directed toward the direction of motion of cart 2.
Clifford is in a real hurry, however, and skips the speedramp. Starting from rest with an acceleration of 0.39 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ra..
A cannon at the top of a 181 m high cliff fires at a pirate ship. The cannonball has an initial velocity of 138 m/s at 30° above horizontal. How far out from the cannon does the cannonball land
Kinetic friction is a constant-value force, while static friction changed in response to other forces, up to some maximum, What if static friction behaved more like kinetic friction, with same constant value
Analyze Trial Balance and indicate possible adjusting entries that might be necessary before an accurate set of financial statements could be prepared.
Three balls with masses of 6 g at (1,9), 1 g at (7,6), and 7 g at (5,1), respectively, are connected by massless rods. What is the acceleration of the center of mass
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