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The drive propeller of a ship starts from rest and accelerates at 3.00 10-3 rad/s2 for 2.05 103 s. For the next 1.95 103 s the propeller rotates at a constant angular speed. Then it decelerates at 2.30 10-3 rad/s2 until it slows (without reversing direction) to an angular speed of 4.00 rad/s. Find the total angular displacement of the propeller.
Mary observes damped oscillations of a glider on air track. she observed that the amplitude decreased to 30% of its original value after 12s
A 0.330-kg volleyball approaches a player horizontally with a speed of 16.0 m/s. What impulse is delivered to the ball by the player
a truck driver transporting new cars needs to roll the cars off the truck. you offer to design a ramp to help with that
two conducting spheres, one of radius 6.0 cm, and the other of radius 120 cm, each have a charge of 20 nC, calculate the surface charge density of each sphere
4.60g of nitrogen gas at 22.0?C and an initial pressure of 3.30atm undergo an isobaric expansion until the volume has tripled. A) How much heat energy is transferred to the gas to cause this expansion
A skier is slinding downhill at 11 m/s when she reaches an icy path on which her skies more freely with negligible friction. find the speed of the skier at the bottom of the icy path
A double slit has two slits of width 0.650 mm separated by a distance between centres of 2.340 cm. How many interference fringes could be seen under the diffraction central maximum
A train is travelling up a 4.40 incline at a speed of 3.30 when the last car breaks free and begins to coast without friction. How long does it take for the car to come to rest? How far does the car travel.
An electron has an initial velocity of 4.9 • 106 m/s in a uniform 1.9 • 105 N/C strength electric field. How far does the electron travel before coming into rest in m
question1an 8.0 meter uniform ladder of weight 355 n leans next to a smooth vertical wall at an angle 50 degrees with
A sound wave travels in air toward the surface of a freshwater lake and enters into the water. The frequency of the sound does npt change when the sound enters the water. The wavelength of the sound is 2.49 m in the air, and the temperature of bot..
A space freighter has a total mass of 1.00*10^6 kg. The captain wants to travel to a destination 1.00 light years away in 12 years, Approximately how much mass must be converted energy
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