50 g of lead (c = 0. 11 kcal/kg•°c) at 100°c is put into 75 g of water at 0°. Calculate the final temperature of the mixture. (given = cwater = 1. 00 kcal/kg•°c).

Does howard university superscore act

Host danny boyle used a line from what shakespearean play to welcome the athletes and fans arriving in london for the 2012 olympics?

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio