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Bonni
Questions (10)
You supply 400 kilocalories of heat energy to a block of ice, with a mass of 14 kg. What will be the outcome?
1 answer
451 views
The sun's energy melts part of a glacier of ice at 0 degrees Celsius. The sun supplies 880 kilocalories to a big glacier of ice
1 answer
612 views
Consider lead, in what state will it be at each of the following temperatures?
a) 4000 degrees Celsius, b) 40 degrees Celsius, c)
1 answer
561 views
A long distance swimmer, who is very cold, m=100 kg., 1000 kilocalories are supplied to warm them up. The specific heat for a
1 answer
510 views
A piece of aluminum, mass 40 kg. C= 0.2 kilocalories/kg.(degrees), change in temperature =20degrees, find Q, in kilocalories.
1 answer
488 views
The sand on the beach heats up faster each day than the water does. You know this because when you walk on the beach in the
1 answer
782 views
Lucy the elephant jumps straight up from ground level with a speed of 6 meters/second. With what speed will she have just before
1 answer
484 views
A diver (mass 100kg.)drops from a height of 12 meters and reaches the pool below at ground level. 3550 joules of heat energy are
1 answer
484 views
For the quadratic function : y=-0.25(x+8)(x-6) write the function in the vertex form y=a(x-h)^2+k by completing the square. Show
2 answers
794 views
Using the formula y=-16t^2+vt+h help me with this word problem : A firework rocket is fired straight up into the air with an
1 answer
1,763 views
