1. A kettle contains 1.5kg of water at a
temperature of 18°C. How much energy is
needed to br...
Physics, 26.11.2020 14:00 Legoman29305
1. A kettle contains 1.5kg of water at a
temperature of 18°C. How much energy is
needed to bring the water to the boil?
Answers: 3
Physics, 21.06.2019 17:00, brookemcelhaney
What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil
Answers: 1
Physics, 22.06.2019 13:30, livingfamyboys35
The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
Answers: 2
Physics, 22.06.2019 15:30, linnaefoos2183
This is the number of complete movements of a wave per second.
Answers: 1
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