Vectors and Scalars
30 m/hr East is classified as a __________
What is a vector
Stays constant throughout trajectory.
What is horizontal motion of projectiles
A plane is traveling 300 m/hr East and encounters a headwind of 107 m/hr West. What is the plane's resulting speed?
What is 193 m/ hr East
A rock is launched off a cliff at 10 m/s. The height of the cliff is 108 m. What is the horizontal displacement?
What is 184 m
How do you find the time in the air for a trajectory?
What is Dx divided by Vx = time
20s is classified as _________
What is scalar
The vertical acceleration of every object in a trajectory.
What is 10 m/s
Sally is rowing down a river at 7 m/hr North and encounters a current that is 10 m/hr North. What is her resulting speed?
What is 17 m/hr North
A monkey throws a banana off a 15 m tall tree. The banana fell 8 m away from the tree. What was the horizontal velocity of the banana?
What is 4.7 m
The time a projectile is in the air is called ____________.
If a student walks 600m North + 100m east + 300m south + 200m west, what is his displacement?
What is 316.23m Northwest
Taken out of the scenery to have constant horizontal motion in projectile motion.
What is air resistance.
John walks North 8 m, West 1 m, and South 8 m. What is his resulting displacement?
What is 1 m West
A ball is shot at a bucket from a table with a height of 25 m. The initial velocity is 4.5 m/s. What is the horizontal displacement?
What is 9.9 m
What is the shape a projectile makes?
What is a parabola
Jenny and Chad traveled due south toward Florida and traveled 60km the first day.They then traveled 50km the next day and 20km the third day. They finally traveled 70 km the last day to reach Florida. What is Ron and Jenny's total distance to finally reach Florida?
What is 200 km
A football was punted with a vertical velocity of 30 m/s. Find the vertical velocity at its peak.
What is 0 m/s at its peak
A bird boat is traveling 10 m/s East and encountered a current that is 3.5 m/s North. What is its resultant velocity?
What is 10.60 m/s East
A boy throws a ball off the roof of a house with an initial velocity of 65.5 m/s. The house is 73 feet tall. What is the horizontal displacement of the ball?
What is 250.21 m
What part of a vector shows the magnitude?
Birds fly to a warmer climate in the fall. On their journey, they fly 300km north the first day, 600km west the second day, and 800km north the third day. What is the total displacement of their journey?
What is 1253 km Northwest
A kickball is punted into the air and the velocity increases by 9.8 m/s when its going ___________.
What is down?
John walks in a straight line from point A to point B. Mary also walks from point A to point B, but her distance is 10 m more than Johns. True or false, Mary and John's displacement is the same?
What is true
A penny is dropped from a bulding with a horizontal velocity of 15 m/s. It lands 22 m away from the building. How tall is the building?
What is 11.25 m
If a projectile takes 3.2 seconds to get to the top of its path, how long is it in the air?
What is 6.4 seconds