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The drive propeller of a ship starts from rest and accelerates at 2.69 x 10-3 rad/s2 for 2.80 x 103 s. For the next 1.25 x 103 s the propeller rotates at a constant angular speed. Then it decelerates at 2.59 x 10-3 rad/s2 until it slows (without reversing direction) to an angular speed of 2.27 rad/s. Find the total angular displacement of the propeller.
A 1300 kg truck drives around a flat 230 m -diameter circular race course at 27 m/s. What is the magnitude of the net force on the car
The ac generator in a series RCL circuit has an rms voltage of 81.3 V. What is the rms current in the circuit
A wooden cylinder of length 2.0m and cross section 78cm^2 is suspended in vertical positionwith a string of length 2.5m. Find the linear density of the string
A 50 turn square coil of length 6.00 cm and width 5.00 cm, is rotated at 20.0 rad/s in a 3.00 T magnetic field. What is the voltage amplitude
The mass of Mars, 6.40e23 kg, is about one-tenth of that of the Earth, and it's radius, 3395km, is about half of the earth. What is the mean density of Mars
What is acceleration of the elevator
A 1kg ball released from horizontal attatched to a 2.5 m string collides ellastically with a 2 kg block at rest. what is the speed of the block after the collision.
imagine that you recently found out you live close to a superfund site. identify the most important information you
A box of mass 50 kg is at rest on a horizontal frictionless surface. A constant horizontal force F then acts on the box and accelerates it to the right. What is the magnitude of the force
An Olympic basketball player shoots towards a basket that is 5.36m horizontally from her and 3.05m above the floor. The ball leaves her hand 1.83m above the floor at an angle of 45.0o above the horizontal. What initial speed must she give the ball so..
What is the electric field strength between the disks? A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have
What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 515 turns, its secondary 8 turns, and the input voltage is 124 V, What is the power input
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