Calculate the average radius for Mercury's orbit. This can be done by averaging all the
radius vectors or more simply, by averaging
the longest and shortest radit that occur
along the major axis. The major axis is
shown in Figure 2. Recall that the sun is at
one focus; the other focus is located at a
point that is the same distance from the
center of the ellipse as the sun, but in the
opposite direction.

Luke and carrie are driving down a straight section of the interstate at 70 mph in luke's new convertible. carrie is drinking a soda in the passenger seat. when she is done she tosses the bottle straight up in the air, just above the height of the car. what will happen to the bottle if air resistance is neglected? a. the bottle will land in carrie's lap. b. not enough information is given. c. the bottle will land on the interstate in front of the car. d. the bottle will land on the interstate behind the car.

What is the difference between electrically neutral objects and electrically charged objects

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.