You drop an ice cube into an insulated flask full of water and wait for the ice cube to completely melt. the ice cube initially has a mass of 60.0 g and a temperature of 0°c. the water (before the ice cube is added) has a mass of 760 g and an initial temperature of 20.0°c. what is the final temperature (in °c) of the mixture? (assume no energy is lost to the walls of the flask, or to the environment.)

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience. b. report the adverse drug experience to the irb only if there are several other occurrences. c. report the adverse drug experience as part of the continuing review report. d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.

What happens during the fall in september