An electric fan has the power output of 60W. How much work is done if the fan operates for 120s?

What is vigorous activity? A any activity or exercise performed most days of the week, preferably daily B any activity or exercise that ranges in intensity from heavy-to-maximum exertion C any activity that ranges in intensity from

Distinguish between pressure and force

Which question can be answered by science? A. How much pesticide is safe to use on plants? B. How should you feel about using plastic bags? C. Should scientists be allowed to do genetic research? D. Why do paper bags look better than plastic bags?

What is the velocity of a person moving ten blocks in two hours to the West End of Main Street

Subatomic particles that do not possess any charge but provide mass to atoms are called

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases