Which of the following is a scalar?

a. 45 hours

b. 2 km north

c. 1.5 miles up

d. 24.6° clockwise

How long would it take to drive to alpha centauri (4.4 light-years away) ?

Weight will increase as ... A: Gravity decreases B: Gravity increases C: Number of particals increases D: Number of particals decrease

Car A and Car B are racing around a track. Both are the same weight, but Car A is going faster than Car B. Which of the following is true? A. Car A and Car B have the same kinetic energy. B. Car A has more potential energy than Car B. C.

How does mitosis deal with a cut on your finger

You drop a rock down a well that is 31 m deep. How long does it take the rock to hit the bottom of the well?

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a

Which of these circuit schematics has an ammeter?

What is the meaning of the word corrosion?

Which change occurs when an atom undergoes alpha decay?