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(a) Find the force P that must be applied to a piston of area 12.10 cm2 to produce sufficient fluid pressure to support a car weighing 10,801 N by means of a column of fluid of cross sectional area 275 cm2 as seen in the figure below.
(b) Find the increase in the car's gravitational potential energy when it is raised 1.00 m.
(c) How far must the smaller piston move in order for the larger one to move 1.00 m?
(d) Calculate the work done by P in moving the smaller piston.
In diving to a depth of 527 m, an elephant seal also moves 937 m due east of his starting point. What is the magnitude of the seal's displacement?
A spherical aluminum ball of mass 1.55 kg contains an empty spherical cavity that is concentric with the ball. The ball just barely floats in water. Calculate the outer radius of the ball
Given that the diameter of the moon is 3,480 km, and using a meter stick or tape measure plus a 25¢ coin, estimate the distance, D, from the Earth to the Moon
Air passes through a large-diameter glass tube, then through a small-diameter tube, and finally through a large-diameter tube again, Find the velocity of the air in the small-diameter tube
A 3.45 kg mass vertically compresses a spring 67.0 cm before it starts to rebound. How high will the Mass move above the uncompressed
An airplane is flying with a velocity of 95m/s at an angle of 19.0^circ above the horizontal. When the plane is a distance 124m straight above a dog that is standing on level ground, suitcase drops out of luggage compartment.
Find the lowest energy of the system (in eV) and list the quantum numbers of all occupied states if (a) the particles are electrons, and (b) the particles have the same mass of the electron
Two people with a combined mass of 115 kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 8.24 cm. Find the total load supported by the springs
for a glass lens (n=1.50), the focal length in the air is 10 cm and an object places on one side of it creates an image that is smaller, find the new position of the image and fully describe it
A 5.0 kg bundle starts up a 30° incline with 128 J of kinetic energy. How far will it slide up the plane if the coefficient of friction is 0.40
A person wearing a seat belt can withstand an acceleration of -310m/s squared. How thick should barriers be to carefully stop a car that hits a barrier at 120km/h.
A 3.00-kg crate slides down a ramp. The ramp is 1.00 m in length and inclined at an angle of 30.0o. The crate starts from rest at the top, What is the speed of the crate at the bottom of this new ramp
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