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A circular wine barrel 75 cm in diameter will burst if the netupward force exerted on the top of the barrel is 6490 N. A tube 0.8 cm indiameter extends into the barrel through a hole in the top, asindicated in the figure below. Initially, the barrel is filled tothe top and the tube is empty above that level. What weight ofwater must be poured into the tube in order to burst thebarrel? N
calculate the final pressure of a sample of water vapour that expands reversibly and adiabatically from 87.3 Torr and 500 cm^3 to a final volume of 3.0dm^3.Take gamma=1.3
A 561 kg satellite is in a circular orbit about the Earth at a height above the Earth equal to the Earth's mean radius. Find the gravitational force acting on it
A certain speed boat weighs 5,880 N. It can accelerate from 0 to 40 m/s in 5 seconds. (Need to see the math). How large is the net force acting on the boat
Bats are capable of navigating using the earth's field-a plus for an animal that may fly great distances from its roost at night. If, as sleeping during the day, bats are exposed to a field of a equal magnitude but different direction than the earth..
A spring is compressed by 0.0748 m and is used to launch an object horizontally with a speed of 2.64 m/s. at what angular frequency (in rad/s) would it oscillate
Logan is given an initial speed of 4.00 m/s from the top of a 20 degree incline. when he reaches the bottom of the incline
An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, What is the frequency of the resulting oscillation
a 30.0 g ball of clay traveling east at 7.50 ms collides and sticks together with a 30.0 g ball of clay traveling north
Starting from one oasis, a camel walks 25 km in a direction of 30 degrees south of west and then walks 30 km toward the north to a second oasis. What is the direction from the first oasis to the second oasis?
A banana has 0.45 g of potassium. 0.0117% of that potassium is 4019K, What is the activity of the banana
A wooden block with m1 = 3.1kg is sliding across a frictionless surface in the ?x direction at 5.2 m/s. What is the velocity of the m2 block in the lab frame after the collision
Express the highest load in terms of theta_min and other quantities given in the problem introduction.
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