P11 Kinematic (4) kinematic equations

What is the first step you should take when approaching a physics question?

• Draw a diagram

• Determine what equation to use

• Check your answer

• Insert the knowns and unknowns

Which of the following should you check after you complete a physics question?

• The sign of your answer

• The units

• The significant figures

• All of the above

True or false: if the units of an answer are incorrect, the answer is wrong

• True

• False

Tags

NGSS.HS-PS4-1

What is the value of earth gravity?

• 9.8 m/s

• 9.8 m/s²

• 9.8 m

• 9.8 s

Tags

NGSS.HS-PS2-4

Usually, earths gravitational acceleration is given the ___ sign

• +

• -

Tags

NGSS.HS-PS2-4

What value can we change to make something more aerodynamic?

• The fluid

• The speed

• The drag coefficient

• The cross sectional area

What magnitude of acceleration is the lowest that will distort someone's face?

• 5 m/s²

• 10 m/s²

• 40 m/s²

• 60 m/s²

Tags

NGSS.HS-PS2-1

What position would you have as a parachuter to make yourself fall faster?

• Spread yourself out

• Deploy your parachute

• Dive head first

• It wouldn't matter what position

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An object will no longer accelerate downwards when

• The air drag is stronger than gravity

• The air drag is less than gravity

• The air drag is equal gravity

• There is no air drag

Tags

NGSS.HS-PS2-1

In our physics questions, falling objects are imagined to be

• In our atmosphere

• In a vacuum

• Under water

• Near a realistic model of earth

Tags

NGSS.HS-PS2-4