Answers: 3
Physics, 21.06.2019 23:10, itzlianne
A248-g piece of copper is dropped into 390 ml of water at 22.6 Β°c. the final temperature of the water was measured as 39.9 Β°c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 04:40, joneil1952
Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure
Answers: 3
Physics, 22.06.2019 05:00, eshaesmot12345
Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s
Answers: 1
Physics, 22.06.2019 06:00, ayoismeisalex
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marblesβ motions be changed? ?
Answers: 1
A rock was dropped from a bridge over a river
If the rock was released when it was 11.2 m above the...
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