PLZ HELP MEPlants use energy from sunlight, water, and carbon dioxide to produce sugar. Which structureis found only in plant cells and helps plants capture energy from sunlight? A. Vacuole
B. Nucleus
C. Chloroplast
D. Cell membrane

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone