Algebra
A truck driver traveled at an average speed of 58 miles per hour on a 200-mile trip to pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 37 miles per hour. Find the average speed for the round trip.
game theory
What is the relationship between the maximin payoff and the set of NE payoffs in a finite game?
Chemistry
What amount of heat is required to raise the temperature of 10.0 g of aluminum by 15.0 C
Chemistry
What amount of heat is required to raise the temperature of 10.0 g of aluminum by 15.0 C
Chemistry
A1.367g sample of an unknown organic compound is combusted with oxygen to give only 1.459 g H2o and 3.055 g of Co2. What is the empirical formula of the compound?
chem
Nitrogen and hydrogen gases are combined at high temperatures and pressures to produce ammonia, NH3. If 104.6 g of N2 are reacted with excess H2, how many moles of NH3 will be formed?
physics
If you were to separate all of the electrons and protons in 1 g (0.001 kg) of matter, you’d have about 96,000 C of positive charge and the same amount of negative charge. If you placed these charges 5 m apart, how strong would the attractive forces between them be?
physics
You remove two socks from a hot dryer and find that they repel with forces of 0.003 N when they’re 4 cm apart. If they have equal charges, how much charge does each sock have?
physics
If a burning log is a black object with a surface area of 0.35 m2 and a temperature of 800 ¢ªC, how much power does it emit as thermal radiation?
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