A small bird stands on the surface of earth. which of the following is true of the gravitational force that the BIRD exerts on the earth? A. the bird doesnt exert gravitational force on the earth
B. the bird has a smaller magnitude than the gravitational force that earth exerts on the bird.
C. the bird has a larger magnitude than the gravitational force that the earth exerts on the bird
D. it has the same magnitude as the gravitational force the earth exerts on the bird.

I'm between B and D​

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?