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Momentum
Newton's 2nd Law
Newton's 3rd Law
Projectile Motion
Potluck
100
force x time interval
What is impulse?
100
When humans engage in what activity do we see terminal velocity exhibited?
What is skydiving?
100
What is the reaction force to your hand pushing on a wall?
What is the wall pushes back?
100
How is the horizontal component of velocity of a projectile affected by the vertical component?
What is not at all affected?
100
hardest mineral
What is diamond
200
mass x velocity
What is momentum?
200
F/m (the ratio of the weight of an object and it's mass) = ?
What is "g"?
200
What is the net force of two kicks to a soccer ball that are occur simultaneously, are equal in magnitude and opposite in direction?
What is zero?
200
the hang time of a basketball player who jumps 2 meters high is 2/3 seconds. What is the hangtime of a player who jumps just as high while covering a horizontal distance of 1.5 meters?
What is 2/3 sec.
200
Planet demoted to dwarf planet status due to the discovery of dwarf planets larger than it.
What is Pluto
300
because of the conservation of momentum, most of a cannonball's momentum is it's velocity. What is most of the cannon's momentum?
What is it's mass recoiling?
300
amount of force per unit of area is __________
What is pressure?
300
When you walk on a floor, what pushes you along?
What is the floor?
300
What is the velocity of an airplane with a velocity of 120 mph due north when it encounters a westerly wind of 90 mph.
What is 150 mph west of north
300
first man in space
What is Yuri Gagarin
400
a car collision is what kind of collision---the kind that produces heat and the objects become distorted.
What is an inelastic collision?
400
net force/mass = ?
What is acceleration?
400
When you rub your hands together, which hand pushes hardest, left or right?
What is neither?!
400
What is the speed of rain drops hitting your face when they fall vertically at 3m/s and you are running horizontally at 4 m/s.
What is 5 m/s
400
purple version of quartz that is used as a gemstone
What is amethyst
500
Explain what happens to both billiard balls when a moving billiard ball hits a stationary billiard ball (an elastic collision).
What is moving ball stops and stationary ball moves forward with the same momentum as the first moving ball (the momentum is transferred)?
500
Why does a feather hit the ground later than a stone when both are dropped at the same time from the same height?
What is air resistance?
500
How is a rocket propelled in space?
What is exhaust gasses propel the rocket?
500
Does air resistance affect the horizontal or vertical components of velocity of a projectile.
What is both?
500
agent of erosion that makes u-shaped valleys
What is a glacier