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A sample of an unknown material weighs 260N in air and 155 N when immersed inalcohol of specific gravity 0.700.
(a) What is the volume of the material?
(b) What is the density of the material?
You observe that a solid cube of some material floats on the surface of an oil puddle at a service station with 75.9% of its volume submerged. What is the density of the cube\'s material
neutrons are slightly more massive than protons. if the mass of a neutron were smaller than its actual value yet still
You throw a ball straight down from an apartment balcony to the ground below. find the height of the balcony
A snowball rolls off a barn roof that slopes downward at the angle of 40 ^circ. The edge of the roof is 14.0 {rm m} above the ground, and the snowball has a speed of 7.00 {rm m/s} as it rolls off the roof. Ignore air resistance.
two identical 21.6-kg spheres of radius 14 cm are 29.8 cm apart center-to-center distance.a if they are released from
a solid wood door 1.04 m wide is hung in a metal door way at 0.0degc with a clearance of 2.2 mm on the side. if the
Andrew jumped on a rocket, sending it straight up, and timing its motion. He sees that the rocket goes by the top of the library after .40 seconds, How fast was the rocket going at lauch
It runs out of fuel at the end of the 4.97 s but does not stop. Explain how high does it rise above the ground?
A 815-kg car stopped at an intersection is rear-ended by a 1740-kg truck moving with a speed of 13.0 m/s. find the final speed of both vehicles after the collision
The projection lens in a certain slide projector is a single thin lens. A slide 23.6 mm high is to be projected so that its image fills a screen 1.87 m high. Determine the focal length of the projection lens
In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.4° from a free electron that is initially at rest. Calculate the wavelength of the incident photon
Two parallel plates, each of area 3.72 cm2, are separated by 4.50 mm. The space between the plates is filled with air. Calculate the amount of the electric charge stored on each plate
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