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A cylindrical diving bell 2.00 min diameter and 5.00 m tall with anopen bottom is submerged to a depth of 220 m in the ocean. Thesurface temperature is 25.0°C, and the temperature 220 m downis 5.00°C. The density of seawater is 1025 kg/m3. How high does the seawater rise in the bell when it is submerged inmeters?
A charge of -2.05 nC and a charge of -6.20 nC are separated by a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be positioned ( from the -2.05 nC charge) so that net electrostatic force on it is zero.
In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 170 m. The average mass of each skier is 65.00 kg. What is the average power provided by the tension in the cable pulling the lift.
You are on an unknown planet orbiting an unknown star. When the 108 cm long camera is pointed at the star an image is formed that is 1 cm in diameter, what is the diameter of the star
A pitched ball is hit by a batter at a 45°angle and just clears the outfield fence, 98 m away. find the velocity of the ball when it left the bat
A volleyball is spiked so that its incoming velocity of +4.79 m/s is changed to an outgoing velocity of -12.0 m/s. find the magnitude of the impulse that the player applies to the ball
How many electrons would have to be added to one of these spheres to make it electrically neutral?
The free-fall acceleration on the surface of Neptune is about one and one half times that on the surface of the Earth. Find the ratio of their average densities
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 8.00km below the surface. What's the water pressure at that depth? Find the fractional volume change in the spoon due to compression forces.
A 73.1-kN car is travelling at 59.9 mph when the driver decides to exit the freeway by going up a ramp. obtain the magnitude of the average drag force exerted on the car
A proton is accelerated from rest through 500. V. It enters a magnetic field of 0.300 T oriented perpendicular to its direction of motion. determine the frequency with which it moves around this path
A driver measures her "cold" tire gauge pressure to be 2.02 105 Pa. The measurement is made before driving, Find the final temperature of the air in the tires
The sun is 30 degrees above the horizon. It makes a 48 meter long shadow of a tall tree. How high is the tree
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