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A 2500ml - flask is initially open to air at 24 celsius and 1 atm pressure. It's then closed and immersed in boiling water. When it has reached equilibrium, the flask is opened and air is allowed to escape. Then it's closed and cooled back to 24 celsius. What's the maximum pressure reached in the flask? What's the maximum pressure reached in the flask? What's the final pressure?
You are driving a car that weighs 1500 kg at 50 km/h, How much force would you need to apply on the wheels of your car through the breaks in order to be able to stop short of hitting the cat
A space ship is approaching a space station of 1.2 x 10^5 m/s. compute the frequency of the beacon observed on the spaceship
The centers of a 7.0 lead ball and a 110 lead ball are separated by 6.0. What gravitational force does each exert on the other
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the mass of the star
A long solenoid has 130 turns/cm and carries current i. An electron moves within the solenoid in a circle of radius 2.80 cm perpendicular to the solenoid axis. Find the current i in the solenoid
Mary and her younger brother Alex decide to ride the carousel at the State Fair. What is Mary's angular speed %u03C9M and tangential speed vM
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (1.00 m/s2) i + (6.00 m/s2) j. It moves at constant speed. At time t2 = 4.00 s (3/4 of a revolution later), its acceleration is (6.00 m/s2) i + (-1.00 m/s2)..
Two students with vibrating 440Hz tuning forks walk away from each other with equal speeds. How fast must they walk so that they each hear the frequency of 433 from the other fork.
A 1000N beam is loaded with a 2000N filing cabinet and supported by two cables. If the beam is 8 meters long and the filing cabinet is 2 meters from the left cable, what is the tension force in each cable? total of both tension? tension in left cable..
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 265 kg · m2, What is the new angular speed of the merry-go-round
Find the electric field at the point (2.00,0). The electric field E = Kq/d2 where q is the charge of the source point, K is the Coulomb constant and has the value of K= 8.99 x10 9 N*m2/C2.
A boxer receives a horizontal blow to the head that topples him over. How long would it take him to hit the floor if he continued with the same angular velocity
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