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A scuba diver has her lungsfilled to half capacity (2 L) when she is 12 m below thesurface. The acceleration of gravity is 9.8m/s2If the diver holds her breath whilequietly rising to the surface, what will be the volume of her lungs (in liters) at the surface? Answer in units of L.
Jim's dog Sparky runs 45.0 northeast to a tree, then 75.0 west to a second tree, and finally 15.0 south to a third tree. Calculate the direction of Sparky's net displacement
A merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes. What would be the angular acceleration of the merry-go-round in rpm/min
A dentist uses a spherical mirror to examine a tooth. The tooth is 1.06 cm in front of the mirror, and the image is formed 11.4 cm behind the mirror. Determine the mirror's radius of curvature. _____ cm. Determine the magnification of the image.
1. a a massless rope is stretched horizontally between two supports that are 3.0 m apart. when an object of weight 3200
A beam of laser light with a wavelenth of ? = 690.00 nm passes through a circular aperture of diameter a = 0.133 mm. What is the angular width of the central diffraction maximum
In a classroom demonstration, a speaker was mounted on the end of a 50.0 cm long arm, Calculate the range of sound frequencies heard by the students in the classroom
Johnny takes a running jump off the trampoline. He lands on the ground after .95 seconds. His landing point is 1.2 m below and 2 m horizontally from his launch point. FInd: A. His initial velocity B. FInal Velocity C. his maximum height above the ..
Three resistors are connected in series across a battery, What is the greatest voltage that the battery can have without one of the resistors burning up
Pool players often pride themselves on their ability to impart a large speed on a pool ball. At what speed did his pool ball hit the ground
A 50 newton horizontal force pushes a 10kg mass sitting on a horizontal surface. What is the acceleration of the mass
A 50g ball travelling at 25m/s is bounced off a brick wall and rebounds at 22m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.5ms, what is the average acceleration of the ball throughout this time interval..
How many protons hit the target. How much energy is delivered to the target each second if the protons each have a kinetic energy of 30 MeV and lose all of their energy in the target.
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