A piece of copper of mass 110 g is being drilled through with a 1/2" electric drill. The drill operates at 25.0 W and takes 25.0 s to bore through the copper. If all the energy from the drill heats the copper, find the copper's increase in temperature. ccopper = 387 J/kg/°C
a. 18.4 C°
b. 23.5 C°
c. 14.7 C°
d. 22.0 C°
e. 29.4 C°
c
Physics & Space Science
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A river 100 m wide flows 1 m/s due south. A boat that travels 1 m/s relative to the water is pointed due east as it crosses from the west bank. Relative to its starting point, the boat travels
A) nowhere. B) 100 m. C) 141 m. D) 200 m. E) more than 200 m.
Physics & Space Science
A large fan placed in a closed room is effective by enhancing
A) conduction. B) convection. C) sublimation. D) radiation.
Physics & Space Science
Discuss what makes the Schrödinger wave function so non-classical
What will be an ideal response?
Physics & Space Science
The energy in the water at the top of a waterfall is an example of gravitational potential energy
a. True b. False Indicate whether the statement is true or false
Physics & Space Science