English Információ A lap Pontverseny Cikkek Hírek Fórum

Rendelje meg a KöMaL-t!

Kifordítható

tetraéder

VersenyVizsga portál

Kísérletek.hu

Matematika oktatási portál

P. 4750. Silver-gold alloys can be made in any ratio of the two constituents. The weight of a particular piece of this type of alloy in air is 15 N, whilst its weight in water is 14 N. What is the percent composition by mass of gold in the alloy?

(4 points)

Deadline expired on 12 October 2015.

Statistics on problem P. 4750.
 193 students sent a solution. 4 points: 144 students. 3 points: 12 students. 2 points: 30 students. 1 point: 5 students. 0 point: 1 student. Unfair, not evaluated: 1 solution.

• Problems in Physics of KöMaL, September 2015

•  Támogatóink: Morgan Stanley