Physics, 23.03.2021 04:50 ecarter8967
Part A
A physics student solving a physics problem has obtained the following four equations that describe the physics of a system of
masses connected by a string
(1) mg 3m
(2) -mg cos 0+T - mai
(3) a-09
(4) mag-T-mga
where g 9.80 meter/second and 0 -60 are knowns, and my my, as, as, and T are unknowns. The problem requires
the student to evaluate as Which are the unknowns that the student would like to eliminare from the equations?
Answers: 1
Physics, 21.06.2019 18:20
The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.
Answers: 2
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 โ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30โ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Part A
A physics student solving a physics problem has obtained the following four equations that d...
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