A small pot of water has an initial temperature of 80 ° C. It is placed in a cold room where the temperature is 10 ° C. During the next few hours, the amount of thermal energy in the water decreases and its temperature a) decreases to 5 ° C
b) decreases to 10 ° C
c) decreases to 45 ° C
d) decreases to 70 ° C

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Which of the following are guidelines to follow for obtaining accurate observations

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.