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Hi i have question please. How long would it take to cook the same kind of roast

ID: 1297980 • Letter: H

Question

Hi i have question please.
How long would it take to cook the same kind of roast which weighs twice as much at the same temperature. This could be investigated theoretically or experimentally.
Hi i have question please.
How long would it take to cook the same kind of roast which weighs twice as much at the same temperature. This could be investigated theoretically or experimentally.

How long would it take to cook the same kind of roast which weighs twice as much at the same temperature. This could be investigated theoretically or experimentally.

Explanation / Answer

Energy = m * specific ht * change in temperature

change in temperature is also same for it to cook

Heat rate Q is same for a cooker at same conditions

Q = E / t

t = E / Q

if m2=2*m1

then E doubles

Hence time doubles   

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