Which of the following BEST represents the relationship between physical fitness and exercise? A.
Physical fitness requires more strenuous activity than exercise.
B.
Exercise is a subset of physical fitness.
C.
Physical fitness is the same as exercise.
D.
There is no relationship between physical fitness and exercise.

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

The center of the milky way most likely contains a. empty space. b. a red giant star. c. a globular cluster. d. a supermassive black hole.