A ball rolls across the floor. Because of friction, the ball will eventually slow down and come to a stop. Which of the following is evidence of energy transfer resulting from the change in the motion of the ball? A. Different surfaces create different amounts of friction.
B. The ball moves in the same direction as it rolls across the floor.
C. Energy sets the ball in motion.
D. The ball and the floor gain a small amount of heat energy.

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?