Physics, 25.09.2019 15:30 jeffcarpenter
1. which of the following equations are dimensionally correct? (select all that are correct.) a) vf = vi + ax b) y = (2 m)cos(kx), where k = 2 m-1
2. one gallon of paint (volume = 3.78 10-3 m3) covers an area of 16.0 m2. what is the thickness of the fresh paint on the wall?
3. compute
(a) the order of magnitude of the mass of a bathtub half full of water. (bathtub. assume the tub measures 1.3 m by 0.5 m by 0.3 m.)
(b) the order of magnitude of the mass of a bathtub half full of pennies. (assume the pennies are made entirely of copper.)[103kg]
Answers: 1
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Physics, 22.06.2019 12:20
The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.
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Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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Physics, 22.06.2019 23:00
1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system
Answers: 2
1. which of the following equations are dimensionally correct? (select all that are correct.) a) vf...
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