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Calculate This!
Speed, Velocity, Acceleration
Gravity & Free Fall
Action/Reaction
Physics Hodgepodge
100
Calculate the acceleration felt by a lady bug that is on a merry-go-round with a radius of 2m and is spinning at 4m/s?
8 m/s^2
100
What are the units for force?
Kgxm/s^2
100
What is the difference between G and g?
G is the universal gravitational constant, g is the acceleration due to gravity
100
Action/Reaction forces of you walking?
Action = you pushing on ground Reaction = ground pushes back on you
100
Define Impulse?
The change in momentum x time
200
What is the force felt between two satellites orbiting earth is one satellite is 100 Kg, the other satellite is 75 Kg, and they are 300 Km apart?
83,333 N
200
What are units for momentum?
Kg*m/s
200
What affects gravity more, mass or distance?
distance
200
What are the action/reaction forces for a bird flying?
Action = Bird pushes on air particles Reaction = air particles push back on the bird
200
If I was floating in space and had a wrench in my hand and I threw it to move, what Law am I using?
Newton's 3rd Law
300
A slug is traveling at 3mm/h North and decides to race the slug next to him. He speeds up to 5mm/hr in 1 hr. Whats the slugs acceleration in m/s^2?
1.54x10^-10 m/s^2
300
What is the momentum for a MadBum fastball that is traveling at 44.7 m/s and has a mass of 150 grams
6.705 kg*m/s
300
Draw a graph that shows the difference in gravitational force felt by the earth and pluto! Make a force v distance graph
Draw!
300
Describe the action/reaction forces of a volleyball serve!
Action = hand hits ball Reaction = ball hit hand back
300
What are the action reaction forces of a balloon moving through a classroom after it is released (balloon is not sealed)?
Action = Balloon/Atmosphere pushing on air Reaction = air pushing back on balloon
400
What is the velocity of a rocket that goes 700 km north in 25 seconds?
28 km/s or 100,800 km/hr
400
How is mass related to momentum and velocity? Give me the equation
m = P/v
400
What do the +/- signs mean when you say, +10m/s^2 and -10m/s^2 acceleration due to gravity!
+ is upward and - is downward
400
Describe the action/reaction forces of the mentos/coke experiment
Action = coke pushes on mentos Reaction =mentos dissolve and push back on coke!
400
Draw a vector diagram showing a car moving East @ 10 m/s then South @ 15m/s
Draw a picture!
500
How much Force did a 10g egg feel as it hit the ground traveling at 10m/s in 3 seconds?
0.3 N
500
Acceleration is a change in speed and what?
Direction!
500
What is the equation to figure out the time of a freely falling object?
t = sqrt(2d/g)
500
Action/Reaction forces of a rocket lifting off!
Action = Fuel particles push back Reaction = rocket ship pushing back on the fuel
500
Draw a vector diagram that shows a car driving West at 10m/s then turns right and accelerates at 5m/s^2
Draw a picture!