Without air resistance, a ball tossed at an angle of 40° with the horizontal goes as far downrange as a ball tossed at the same speed at an angle of (a) 45°. (b) 50°. (c) 60°. (d) none of these A...

Without air resistance, a ball tossed at an angle of 40° with the horizontal goes as far downrange as a ball tossed at the same speed at an angle of

(a) 45°.

(b) 50°.

(c) 60°.

(d) none of these

A satellite in Earth’s orbit is mainly above Earth’s

(a) atmosphere.

(b) gravitational field.

(c) both of these

(d) neither of these