I. The substance in model A has the highest density. ii. The substance in model A has the highest kinetic energy.
iii. The substances in models B and C would flow.
iv. The substance in model C has the lowest temperature.
v. The substances must undergo a chemical change to move from one state to the other.
Which statements are TRUE?

A. i and iii
B. I, iii, and v
C. li and i
Dii, iii, and v

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you