A car is fired from a cannon straight into the air to a height of 11m and falls back to where it is fired from. The total motion takes 3 seconds.
2
2
1
1
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
A pumpkin is thrown downward off a building on earth with an initial velocity of 8 m/s and falls for 4 seconds. Is velocity constant?
Yes
No
A pumpkin is thrown downward off a building on earth with an initial velocity of 8 m/s and falls for 4 seconds.
Is acceleration constant?
Yes
No
A pumpkin is thrown downward off a building on earth with an initial velocity of 8 m/s and falls for 4 seconds. What is the final velocity of the pumpkin?
31.2
-47.2
-31.2
47.2
A marble is launched at by dropping it through a marble launcher. The marble took 0.22s to land 0.31m from where it was launched. Find the horizontal velocity of the marble as it rolls off the table.
1.4m/s
.71m/s
.53m/s
.07m/s
Bill Nye drops a marble, a bowling ball and a golf ball from a balcony. Which object falls faster? (neglect air resistance)
Bowling Ball
Marble
All fall at the same rate
Golf Ball
A feather drops in a vacuum. What is the feather’s final velocity if it falls for 3.48s?
-34.1 m/s
59.3 m/s
34.1 m/s
-59.3 m/s
Question 7
7.
What is the acceleration at the top of the path (disregard the units)?
Question 8
8.
What is the velocity at the top of the path (disregard the units)?
Question 9
9.
What is the time it takes to rise (disregard units)?
Question 10
10.
What is the time it takes to fall (disregard units)?
A kite is blown with a velocity of 35m/sec at an angle of 20 degrees. Find the components.
30E and 18N (m/s)
12N and 33E (m/s)
33N and 12E (m/s)
18E and 30N (m/s)
A marble is launched by dropping it through a marble launcher. The marble took 0.37s to land 0.64m from where it was launched. Find the horizontal velocity of the marble as it launches.
0.58m/s
1.7m/s
0.27m/s
0.67m/s
As a projectile travels through the air its horizontal velocity will be...
Perpendicular to the ground
Slowed by gravity
Accelerating horizontally
Constant until it stops
A bullet is fired above the horizontal forward. If the bullet is travelling at 200 m/s and it takes .3s to reach the target, neglecting air resistance. Which of the following are correct statements? Select all that apply.
Vy increase going up decreases going down
Vx decrease going up increases going down
Vy decrease going up increases going down
Position is constant
The horizontal velocity is constant
Acceleration is constant
Displacement increases
The vertical velocity is constant
Displacement is constant
Vx increase going up decreases going down
Where along a vertical projection's path is the vertical velocity zero?
