a) Find the velocity with which the camera hits the ground.
-42.1m/s
b) Find the time required for it to hit the ground.
11.4 s
2. A flowerpot falls from a windowsill 25.0m above the sidewalk.
a) How fast is the flowerpot moving when it strikes the ground?
-22.1 m/s
b) How much time does a passerby on the sidewalk below have to move out of the way before the flowerpot hits the ground?
2.26 s
3. A tennis ball is thrown vertically upward with an initial velocity of 8.0m/s.
a) What will the ball’s speed be when it returns to its starting point?
-8 m/s
b) How long will the ball take to reach its starting point?
1.63s
4. Stephanie hits a volleyball from a height of 0.80 m and gives it an initial velocity of 7.5m/s straight up.
a) How high will the volleyball go?
5.4m
b) How long will it take the ball to reach its maximum height?
0.765s
5. Maria throws an apple vertically upward from a height of 1.3m with an initial velocity of 2.4 m/s
a) Will the apple reach a friend in a treehouse 5.3m above the ground?
no
b) If the apple is not caught, how long will the apple be in the air before it hits the ground?
1.21s