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Q. The volume of an ideal gas is increased from 0.7 m3 to 2.7 m3 while maintaining a constant pressure of 3000 Pa (1 Pa = 1 N/m2). If the initial temperature is 600K, what is the final temperature?
Q. A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.6 m/s at ground level. Its engines then fire and it accelerates upward at 3.80 m/s2 until it reaches an altitude of 930 m. At that point its engines fail, and the rocket goes into free fall, with an acceleration of -9.80 m/s2.
imagine that each person is about the same distance from the center of the field and can generate the same level of sound intensity. How many people are at game.
A spring with spring constant 13 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 8.5cm and free. The ball makes 26 oscillations in 18 s seconds.
The mean (average) of their squares
A charge of 3.80 10-6 C is placed on a small conducting sphere that is located at the end of thin insulating rod whose length is 0.22 m. The rod rotates with an angular speed of ω = 156 rad/s about an axis that passes perpendicularly through its o..
It is expected to measure an X-ray peak which occurs at an angle of around 31.6g. Alter viewing the scale and pointer, with what accuracy w ill you quote the result?
Two trains, each having a speed of 28 km/h, are headed at each other on the similar straight track. A bird that can fly 56 km/h flies off the front of one train, when they are 66 km apart and heads directly for the other train. On reaching the other ..
A 130- baseball, moving along the axis with speed 35 , strikes a fence at a 45 angle and rebounds along axis with unchanged speed Give the - and - components of its change in momentum.
Find out the magnetic force on the rod
An ocean liner leaves New York City and travels 37.0° north of east for 171 km. How far east and how far north has it disappeared? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions.
A person walks 25.0° north of east for 2.70 km. How far would the person walk due north and due east to arrive at the similar location.
Calculate the power required by an object to lift another object
Assume you are 80cm from a plane mirror. What area of the mirror is used to reflect rays entering one eye from a point on the tip of your nose if your pupil diameter is 5.60 mm.
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