Usable energy is lost each time energy is converted to another form of energy.

true or false

The air in a kitchen has a mass of 60.0kg and a specific heat of 1505J / (kg°C). What is the change in thermal energy of the air when it warms from 24°C to 31°C? A) 90,300J B) 100,835J C) 630,000J D) 632,100J

The question of how much influence a parent has in who their child becomes is studied by?

A sealed container filled with gas is heated. What happens? The gas escapes The movement of the molecules slows The internal pressure decreases The internal pressure increases

A young man named Peter buys a sports car that can accelerate at the rate of 4.90 m/s2. He decides to test the car by racing with another speedster, John. Both start from rest, but experienced John leaves the starting line 1.00 s before Peter.

What is the average alcohol content if beer by volume

Two exactly similar wire of steel and copper are stretched by equal force. if the total elongation is 10cm. find how much each wire is elongated given young's modules for steel = 2*10^10 N/M^2 and Young's modules for copper 2*10^10N/M^2.

Which of the following is the FINAL step in a forecasting system? A. Validate and implement the results. B. Make the forecast. C. Select the forecast model (s). D. Gather the data needed to make the forecast.

Resistors in parallel together contain less resistance than resistors in series together. Create an analogy to explain this phenomena and post it here.

Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. part a a voltmeter with resistance rv is connected across the terminals of a battery of emf e and internal resistance r.

The acceleration of an object is the slope of its velocity-time graph. True False