yah

This page lists questions and answers that were posted by visitors named yah.

Questions

The following questions were asked by visitors named yah.

How long will a 1.2 kW electric kettle take to heat 0.8 kg of water from 20°C to 100°C?

Under conditions of conservation of energy where the initial energy object is only gravitiational potential energy and the final energy is only kinetic, write an equation to calculate the final velocity of the object. Ignore all friction. Show all work Yo...

Compare and contrast microscopic and macroscopic energy transfer. Give at least three comparisons for each. THX

Answers

The following answers were posted by visitors named yah.

Thanks Mu-Lin Cheng

your right 100%

A person decides to loose weight by eating only cold food. A 100 g piece of apple pie yields 1500 kJ of energy when eaten. It its specific heat is 1.7 kJ/kg °C, how much less energy is its energy component at 5°C than at 25°C?

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… means 3 but is right!!

well too bad for u

frost is still correct

1: A, linear 2: D, none of the above 3: C, exponential

4: B, a=25g+100 5: C, The graphs of exponential functions eventually generate y-values greater than those of linear and quadratic functions. 6: D, $885.78