Force and Motion
Vectors
Projectiles
Speed
Misc.
100
What is the symbol for force?
F
100
what is a vector?
A vector is a an arrow whose length represents the magnitude of a quantity and whose direction represents the direction of a quanity
100
With no gravity a projectile would follow a ____ line path.
straight
100
If a track star runs a 100 meters in 10m/s, how many seconds does it take to run the 100 meters?
10 seconds
100
who's your daddy
Gregory
200
What is the formula for force?
F=ma
200
give an example of a vector
displacment, velocity, acceleration etc.
200
What is a projectile? (btw this is an easy question because we had a good one that was smart but SOMEONE deleted it)
any object that moves through the air or through space, acted on only by gravity (and air ressitance if any)
200
If a man rolls down a hallway in a spiny chair going .4 m/s and travels a distance of 43 meters, what is his speed?
107.5 seconds :)
200
What does I stand for in ciruits?
current
300
what is an example of a force
gravitational, air resistance, push, pull etc.
300
1 bird is flying at a velocity of 360 m/s south and another bird is flying 140 m/s north. What is the resulting vector velocity of the 2 birds and what direction?
220 m/s south
300
A building is 5m tall and a ball is thrown 20m from the top of the building. How fast was the ball thrown?
20m/s
300
What object measures mi/h and km/h
speedomerter
300
what does m/s stand for?
meters per second
400
what is motion?
the action or process of moving or being moved
400
who is yo mamma?
ask tinnnaaaaa
400
A projectile is shot at an angle into the air. Neglecting air resistance, what is its horizontal acceleration?
Zero
400
On a highway, a car is driving 80. kilometers during the first 1.00 hour of travel, 50. kilometers during the next 0.50 hour, and 40. kilometers in the final 0.50 hour. what is the cars average speed for the entire trip?
85 km/h
400
name the two forces that effect falling objects
Gravity and air resistance
500
Which of the following statements best descibes the force of the Earth's gravity on a rocket moving upward? A.The gravitational forces is constant for all altitudes. B.The gravitational farce is weaker when the rocket is higher. C.The gravitational force is stronger when the rocket is higher.
B. The gravitational force is weaker when the rocket is higher.
500
A 3 unit and a 4 unit vector add to produce a resultant vector of
5 units
500
At the instant a horizontally held rifle is fired, a bullet held at the rifle's side is released and drops to the ground. Which bullet strikes the ground first, the one fired from the rifle or the one dropped?
Both bullets fall at the same vertical distance with the same acceleration and there for strike the ground at the same time.
500
A high-speed trian in Japan tavels a distance of 300 kilometers in 3.60x10*3 (cubed lol we can't make it hehehe) seconds. What is the average speed of this train?
83.3 m/s
500
Vad är formeln för massa
massa = densitet x volym
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