Velocity
Horizontal component
Vertical component
Projectile motion
Random
100

What is the vertical velocity at the peak of a projectile's trajectory?

What is ZERO!

100
The horizontal component is independent from____________________.
What is the vertical component
100
The main factor affecting vertical velocity is ___________.
GRAVITY
100
If a tennis ball takes 4.5 sec to reach its peak, how long does it take to reach the other player?
9 seconds!
100
How much time would it take for a pencil to fall 0.98 meters?
0.45 sec
200

If a ball is thrown straight up with a velocity of 5.8 m/s, what will its velocity be as it approaches the ground?

What is 5.8 m/s

200
True/False. The horizontal velocity is affected by gravity.
FALSE
200
TRUE/FALSE. The vertical velocity is unaffected by the horizontal velocity.
TRUE
200
At what part of the projectile have minimum speed?
The top of the peak.
200
How does a significant amount of air resistance affect a projectile's motion?
it diminishes it
300

What is the magnitude of velocity called?

What is SPEED

300
If Jane can jump her unicycle 0.34 meters off her driveway from rest, how would riding down the driveway(moving) and jumping affect her height?
Not at all, her vertical is independent of her horizontal.
300
The vertical component is independent the _______________________.
the horizontal component
300
In what direction is all of the velocity at the top of a projectile's peak?
HORIZONTAL
300
What is the trajectory of a projectile called?
a parabola!
400

What two factors does vertical velocity depend on?

Gravity and height

400
How much will the horizontal velocity change in 19.6 seconds?
None at ALL
400
Vertical velocity can be determined by multiplying the acceleration due to gravity by ________________.
the time the projectile was in the air
400
At what other angle will a thrown ball go the same distance as one thrown 20 degrees?
70 degrees
400
If a ball was tossed upward and it reached its highest point, describe its velocity as it falls back down.
It INCREASES
500

At the peak of a projectile's trajectory that is begins moving at 32.8 m/s horizontally and 48 m/s vertically, how fast is it moving

32.8 m/s

500

If you were to throw a rock 4.3 m/s, horizontally, and throw another at 8.7 m/s horizontally, which would hit the ground first?

Neither, they would hit the ground at the same time!

500

For an upwardly launched projectile, _______ is the best angle to shoot a projectile the furthest distance.

45 degrees

500

At what other angle will a thrown ball go the same distance as one thrown 44 degrees?

46 degrees!

500

EXPLAIN where AND how a package dropped from a plane lands with respect to the moving plane.

The package ends up UNDER the moving plane, since its horizontal velocity remains constant.

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