A 70-kg student produces 1200 W of heat energy per second. For the runner to maintain a constant body temperature of , this energy needs to be released through mechanisms like perspiration or other mechanisms. If these mechanisms failed and the energy could not flow out of the student’s body, for what amount of time could a student run before irreversible body damage occurred? (Protein structures in the body are irreversibly damaged if body temperature rises to or higher. The specific heat of a typical human body is , slightly less than that of water. The difference is due to the presence of protein, fat, and minerals, which have lower specific heats.)
The amount of time the pupil has to run before suffering physical harm
Determine the body's amount of heat
From the Power (rate) we would find the time where
So the time before damage occurs to the body is
1421 seconds or 23.67 minutes
Before permanent bodily harm occurs, a student can jog for 1421 seconds, or 23.67 minutes
Check my thinking. 1421 seconds (about 24 minutes)
When a cold drink is taken from a refrigerator, its temperature is 5 degree C. After 25 minutes in a 20 degree C room its temperature has increased to 10 degree C. What is the temperature of the drink after 50 minutes?
How many minutes are there in hours?
Find the answer for power .
The following law describes the relationship between gas volume and pressure: ________. A)Boyle's law; B)Henry's law; C)Charles' law; D)Dalton's law
If an electric switch is open then no current flows through the circuit.
The price elasticity of supply of a good is 0.8. Its price rises by 50 per cent. Calculate the percentage increase in its supply.
How many quarts are in 10 gallons?
When the net force acting on an object is zero, the total momentum of the system will:
B)increase with time;
C)decrease with time;
D)None of these
How many centimeters are in four meters?
A notebook computer has a mass of 2.25 kilograms. About how many pounds does the notebook weigh?
If the dot product of two non-zero vectors is zero, then the vectors A)are parallel to each other. B)are perpendicular to each other. C)can have any orientation. D)are anti-parallel to each other.
Which is longer 5 miles or 10 kilometers?
9 grams is how many milligrams?
How to write in scientific notation?