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- Multiple ChoicePlease save your changes before editing any questions.
At what point is

**v**_{y}= 0 m/s?A

B

C

D

None of these points

- Multiple ChoicePlease save your changes before editing any questions.
At what point is

**v**_{x}= 0 m/s?A

B

C

D

None of these points

- Multiple ChoicePlease save your changes before editing any questions.
Which vector pair (arrow pair) correctly represents the

**acceleration**and**velocity**at point**P**? - Multiple ChoicePlease save your changes before editing any questions.
Who do you agree with?

Anita: “A projectile’s

**v**_{x }changes because of gravity, and its**v**_{y }remains constant.”Barry: “Both

**v**_{x}and**v**_{y}Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”

Dave: “A projectile has vertical acceleration and a constant horizontal velocity”

- Multiple ChoicePlease save your changes before editing any questions.
Suppose Lemming

**A**runs off the edge of the cliff at 2 m/s and Lemming**B**runs off the edge at 1 m/s. Which will hit the ground first?A

B

Both at the same time

- Multiple ChoicePlease save your changes before editing any questions.
Suppose Lemming

**A**runs off the edge of the cliff at 2 m/s and Lemming**B**runs off the edge at 1 m/s. Which will hit the ground farther from the base of the cliff?A

B

Both at the same distance

- Multiple ChoicePlease save your changes before editing any questions.
A ball is thrown into the air at some angle, with initial velocities v

_{x}(horizontal) and v_{y }(vertical). At the very top of the ball’s path:What is its velocity in the

**horizontal**direction?v

_{x}Greater than v

_{x}Zero

- Multiple ChoicePlease save your changes before editing any questions.
A ball is thrown into the air at some angle, with initial velocities v

_{x}(horizontal) and v_{y }(vertical). At the very top of the ball’s path:What is its velocity in the

**vertical**direction?v

_{y}Greater than v

_{y}Zero

- Multiple ChoicePlease save your changes before editing any questions.
In the absence of air resistance, the angle at which a thrown ball will go the farthest is?

90°

30°

60°

45°

- Multiple ChoicePlease save your changes before editing any questions.
**A package is dropped from an airplane, where will the package hit the ground?**A

B

C