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A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4m/s2. The acceleration period lasts for time 10.0s until the fuel is exhausted. After that, the rocket is in free fall.
Find the maximum height ymax reached by the rocket. Ignore air resistance and assume a constant acceleration due to gravity equal to 9.80 m/s2.
A Cepheid variable has been found to have a period of 22 days, from this its luminosity is determined to be 2.8 x 1029 W, calculate the distance to the Cepheid
A 91 g arrow is fired from a bow whose string exerts an average force of 115 N on the arrow over a distance of 78 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A 1.0 μF capacitor has a potential difference of 6.0 V applied across its plates. how much additional energy does the capacitor store
What is wind velocity
A submarine dives to a depth of 310 feet in the ocean. What is the gauge pressure at this depth? How many atmospheres is this
A long straight wire of diameter 2.33 mm and length 5.28 meters has a charge of 0.0388 coulomb uniformly distributed along it. Determine the flux through the side of the cylinder
determine the microwave frequency
An athlete whirls a 7.49 kg hammer tied to the end of a 1.3 m chain in a horizontal circle. What is the centripetal acceleration of the hammer
How long would it take you to cover the 83 length of the walkway if, once you get on the walkway, you at once turns around and start walking in the opposite direction with a speed of 1.7 relative to the walkway.
The record distance in the sport of throwing cowpats is 81.1 m. This record toss was set by Steve Urner of the United States in 1981. Determine the total time the projectile was in fligh
An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When the engineer first sees the car, the locomotive is 130 m from the crossing and its speed is 17 m/s.
What is the average speed in m/s of nitrous oxide molecule when the temp is 300K? The molar mass of oxygen is 0.032 kg/mol
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