Physics, 10.03.2022 05:20 mollycompton04
A hot water bottle is filled with 0.8kg of water at 80°C. During the night it cools to 30°C. The specific heat capacity of water is 42001/kg°C. How much energy has it given out?
Answers: 3
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What is the momentum of a 2 kg object moving at 15 meters per second
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Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=
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Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
Answers: 1
A hot water bottle is filled with 0.8kg of water at 80°C. During the night it cools to 30°C. The
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