Physics, 30.04.2021 06:00 NeverEndingCycle
Questions
1. How much heat is needed to heat up a bathtub full of water to 70 deg Celciius if the
bathtub holds 100kg of water and starts out at 25 deg C
2. How hot will a 50g piece of lead get if 1000 J of energy is added and the initial temp is 40
deg C?
3. What substance will go from 20 deg to 80 deg if it has a mass of 200g and gets heated
with 4620 J of heat energy?
NO LINKS and please answer all 3
Answers: 1
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Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.
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The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
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Convection occurs when thermal energy is transferred by the movement of
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Asmall grinding wheel has a moment of inertia of 4.0ร10โ5 kgโ
m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?
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Questions
1. How much heat is needed to heat up a bathtub full of water to 70 deg Celciius if the<...
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