A projectile is shot from the edge of a cliff 160 m above ground with an initial speed of 55.0 m/s at an angle of 40° below the horizontal. How much time does it take the projectile to hit the ground?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

How would a small bar magnet be oriented when placed at position x?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.