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Questions in physics
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - What is the velocity of a wave? A. How quickly the wave travels B. How much energy the wave has C. The distance between the high and low points of the wave D. The distance between two wave peaks
📝 Answered - In a scenario where a thin metallic strip on a vernier caliper descends from the upper edge to the lower edge and makes constant contact with the surface of a beaker, the main scale displays a reading of 6.40. The vernier scale division aligns precisely with a main scale division. Assuming there is no zero error, what is the measurement of the beaker?
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - The primary factor in decreasing the Kinetic Energy of an object is to: A. Decrease the stopping distance B. Decrease the mass C. Decrease the velocity D. Decrease the direction
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - The power of the kettle was 2.6 kW. The kettle took 120 seconds to heat 0.80 kg of water from 18 °C to 100 °C. Calculate the specific heat capacity of water using this information. Give your answer to 2 significant figures.
📝 Answered - A sample of water with a mass of 123.00 kg is heated from 25 C to 97 C. If the specific heat of water is [tex]$1 J-1 kg K -1$[/tex] then how much energy is required? A. 11.93 kJ B. 123.00 kJ C. 15.01 kJ D. 8.86 kJ
📝 Answered - The primary factor in decreasing the Kinetic Energy of an object is to: A. Decrease the stopping distance B. Decrease the mass C. Decrease the velocity D. Decrease the direction
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