Physics, 18.03.2021 02:40 5921000521
3. The temperature of a block of iron, which has a specific heat of 450 J/kg C increases
by 12 C when 3500 J of energy are added to it. What is the mass of the block of iron?
Formula
substitution
answer
Unit
scovered
Answers: 2
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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
3. The temperature of a block of iron, which has a specific heat of 450 J/kg C increases
by 12 C wh...
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