How many grams of Substance B will dissolve in 100 g of water at 60°C? How many would dissolve in 400 g of water at the same temperature?

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

If the new moon happens on january 15th, what shape will it be on february 6th?

The unit of resistivity is the: ohm ohm-cm volt coulomb