my answer here would be A. Hope this helps
Answer:
Newton's Second Law of Motion says that acceleration (gaining speed) happens when a force acts on a mass (object). Riding your bicycle is a good example of this law of motion at work. Your bicycle is the mass. Your leg muscles pushing pushing on the pedals of your bicycle is the force.
Explanation:
Look I am not even close to a genius in this type of stuff but the leaves help collect energy and sunlight for the plant to live off of during the winter. It basically needs them for processing and helping them with their food. Also food is stored in every pine needles mitochondrion or the powerhouse of their cell structure. In the mitochondrion their is things like chloropasts. These are like the energy or food for the cell. So when the tree cant draw nutrients from its roots or soil anymore all the excess things stored in the pine needles will help the tree survive.
Answer:
c. 330 cal
Explanation:
Given the information from the question. We need to calculate heat energy gained by the container
The formula to be used is Q=M*C*(Change in T). Where Q= heat energy gained by the container, M= mass of aluminum, Change in T = Change in temperature and T = Specific heat of aluminum.
Now we have Q=M*C*(Change in T) = 50g*0.22*(50-20) = 330 cal
The correct answer is option c. 330 cal.