Newton's Laws Of Motion
Sir Issac Newton invented _______ Laws of Motion
3
What is the quantity of acceleration due to gravity
-9.8 m/s2
What are the units for impulse?
Kgm/s or Ns
Why do noises sound higher pitched while approaching and lower when going away?
The Doppler Effect
What was the equation used to define the 2nd law
F=M*A
What is the difference between scalar quantities and vectors
Scalar has no direction while vector does
What does an isolated system mean?
It does not include the force of friction.
What is the smallest bone in your body, used for translating noises to your brain?
The Stirrup
What is the first law of motion
An object in motion stays in motion until acted upon by another force
How many kinematic equations are there?
4
In which type of collision is energy conserved?
Elastic Collision
How many categories are there on the electromagnetic spectrum?
7
What does a Newton measure
1 kgm/s2
An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until it lifts off the ground. Determine the distance traveled before takeoff.
1720 m
What is the equation of kinetic energy?
KE=1/2 mv2
What is the threshold of hearing equation?
1.0 x 10-12 w/m2
Which law describes the action of a bullet being shot out of a gun
The 3rd law
A tall skyscraper is 370 m above the street. Determine the time required for a penny to fall from the top to the street below.
8.69 s
What is the momentum of a 4.5 kg ball thrown at 29.8 m/s?
What is the range in which humans can hear noises? (In Hz)
20 Hz to 20,000 Hz