What is the magnitude of the heat that he has lost

Reference no: EM13514924

In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 7.8x105 J of internal energy.

(a) One player, dressed too lightly for the weather, has to leave the game after losing 6.5x105 J of heat. How much work has he done?

(b) Another player, wearing clothes that offer better protection against heat loss, is able to remain in the game long enough to do 2.2x105 J of work. What is the magnitude of the heat that he has lost?

Reference no: EM13514924

Questions Cloud

What average current does this rotating charge represent : A small sphere that carries a charge of 6.35 ?C is whirled in a circle at the end of an insulating string. What average current does this rotating charge represent

Find the air temperature in kelvin inside the tires : At the start of a trip, a driver adjusts the absolute pressure in her tires to be 2.51 x 105 Pa when the outdoor temperature is 277 K. find the air temperature in Kelvin inside the tires at the end of the trip

Film relate to psychology-anthropology and sociology : What is the central message of this film regarding transnational corporations. How does the film relate to psychology, anthropology, and sociology.

How to prepare a liter of carbonate buffer : How would you prepare a liter of "carbonate buffer" at a pH of 10.10. You are provided with carbonic acid (H2CO3), sodium hydrogen carbonate (NaHCO3), and sodium carbonate (Na2CO3). Ka value of H2CO3= 4.2x10^-7

What is the magnitude of the heat that he has lost : In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 7.8x105 J of internal energy. What is the magnitude of the heat that he has lost

Find how much gasoline spills out : A 5.00-liter aluminum cylinder at 5.00°C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 69.0°C, how much gasoline spills out

Define the melting point range is measure for two materials : The melting point range is measure for two materials (A and B). For material A, the melting point range is from 58.5 C to 64.0 C whereas for material B, the melting point range is from 87.0 C to 89.0 C. Which material, A or B, is more pure

Determine how fast would the drops be moving : Raindrops fall 1400 m from a cloud to the ground. If they were not slowed by air resistance, how fast would the drops be moving when they struck the ground

How far does the vehicle move from start to stop : An electric vehicle starts from rest and accelerates at a rate of 1.9 m/s2 in a straight line until it reaches a speed of 28 m/s. How far does the vehicle move from start to stop

User Account

All Pages