An insulated bottle contains 150 g of water at 4.0 Celsius. When 90 g of metal at 100 Celsius is placed into the cold water the temperature of both eventually becomes 21 Celsius. assuming no heat is lost to the container or the air, what is the specific heat capacity of the metal? *The specific heat capacity for water is 4200J/Kg°C

Which describes an object in projectile motion? check all that apply. a.gravity acts to pull the object downb. the object moves in a straight path. c.the forward velocity of the object is 0 m/s. d.the object’s inertia carries it forward. e.the path of the object is curved.

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?