It is said that in ancient times a rich man with a bag of gold coins froze to death while stranded on a frozen lake. Because the ice was frictionless, he could not push himself to shore. What could he have done to save himself had he not been so miserly?
plzzzzzzzzzz help i dont know how to answer this .
2006-11-27 08:24:35 · 8 answers · asked by schoolgirl 1 in Science & Mathematics ➔ Physics
Use newtons law. For every action there is an equal and opposite reaction. If the system is frictionless, all he has to do is throw the bag of coins in the opposite direction.
2006-11-27 08:34:26 · answer #1 · answered by chanel217 2 · 1⤊ 0⤋
Davy P is correct. Every action has an equal and opposite reaction. By throwing the bag forward, he would push himself backwards. If the ice is truly frictionless, he would keep sliding until he hit the shore, assuming that air friction didn't stop him first.
2006-11-27 08:34:45 · answer #2 · answered by marbledog 6 · 1⤊ 0⤋
Probably the weigth of the gold coins didnt allow the man to pull himself from the ice, wisely was tto leave behind the gold (weight) and try to use his own power to leave the lake
Good luck!
2006-11-27 08:30:11 · answer #3 · answered by Juan S 1 · 0⤊ 1⤋
Linear momentum is conserved, which is Newton's third law, iirc. Since the man is "stuck", the linear momentum is zero. If the man had placed the gold on the ice and pushed it away, he would have moved backwards to keep the total linear momentum equal to zero.
2006-11-27 08:35:48 · answer #4 · answered by bictor717 3 · 0⤊ 0⤋
Drop the gold and push it move. Or step on the gold pieces like stepping stones. No formula needed.
2006-11-27 08:28:05 · answer #5 · answered by borscht 6 · 0⤊ 0⤋
put coins on the ice and step on them to get to shore.
Specific heat measures the amount of heat energy needed to raise the temperature of one gram of a substance by one Centigrade degree. Water has a particularly high specific heat, which means that more heat must be added to water than to most other substances to raise its temperature. It takes very little heat to raise the temperature of gold, so he would have to use a lot of gold to melt a little ice.
2006-11-27 08:28:52 · answer #6 · answered by DanE 7 · 0⤊ 1⤋
throw the coins in the opposite direction to propel himself forward. Without friction, there is no other way to affect your motion except propelling something in the opposite direction.
2006-11-27 08:37:22 · answer #7 · answered by Anonymous · 0⤊ 0⤋
thrown the bag of gold it the oppisit direction
2006-11-27 08:27:17 · answer #8 · answered by Davy P 1 · 1⤊ 0⤋