Physics, 12.01.2021 18:20 Lindsay882
A light inextensible rope is used to pull a particle of mass 3 kg along a rough horizontal
plane. The tension in the rope is 15 N and acts at an angle of 40° above the horizontal.
If the coefficient of sliding friction between the particle and the surface is 0.45, what is the acceleration of the particle?
Answers: 2
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Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?
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Physics, 22.06.2019 06:30
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
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Physics, 22.06.2019 14:00
How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c
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Physics, 22.06.2019 18:30
Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
Answers: 1
A light inextensible rope is used to pull a particle of mass 3 kg along a rough horizontal
plane. T...
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