Physics, 09.11.2020 20:50 BaileyElizabethRay
Which of the following accurately describes the main reaction that generates the Sun's light?
OA.
Iron reacts with oxygen to form iron oxide.
OB. Light reacts with water to form glucose.
OC.
Oxygen reacts with carbon to form carbon dioxide.
OD. Hydrogen nuclei fuse, forming helium and releasing energy.
Answers: 1
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Which of the following accurately describes the main reaction that generates the Sun's light?
OA.
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