A ball is launched horizontally off a 12m tall building, and it lands 14.6m away. What was the initial speed of the ball?
Front
9.36m/s
Back
A falling feather in a vacuum changer is an example of a projectile.
Front
True
Back
A ball is thrown into the air at 26° from a 13m tall clif. The ball lands 18m away from its launch point. At the very top of the ball's path what is its velocity in the vertical direction?
Front
0m/s
Back
You throw a ball toward a wall with a speed of 26m/s at an angle of 47° above the horizontal. What are is the horizontal component of its velocity as it hits the wall?
Front
17.7m/s
Back
You throw a ball toward a wall with a speed of 26m/s at an angle of 47° above the horizontal. What are is the vertical component of its velocity as it hits the wall?
Front
19m/s
Back
A soccer ball is kicked at 35° above the ground at 8m/s on a large level field. How far away does it land?
Front
6.1m
Back
In the vertical direction, what is the acceleration of an object?
Front
Gravity
Back
What is the acceleration of free fall?
Front
9.8m/s^2
Back
You throw a ball toward a wall with a speed of 18m/s and at an angle of 52° above the horizontal. The wall is 26m from fhe release point of the ball. How far above the release point does the ball hit the wall?
Front
6.34m
Back
A bullet is fired at the same time as a bullet is dropped to the ground. Which bullet hits the ground first?
Front
Both
Back
A ball rolls off a counter with a speed of 8m/s and lands 12m away. How tall is the counter?
Front
11.03m
Back
A ball is launched at 27° above the ground and its maximum height is 8m. What was the intial speed of the ball?
Front
27.58m/s
Back
A ball is launched at 40° above the ground at 20m/s. What is the maximum height the ball reached?
Front
8.42m
Back
A falling skydiver with an open parachute is an example of a projectile.
Front
False
Back
Solve for acceleration. d=vt+.5at^2
Front
a=(2d-2vt)/t^2
Back
You roll a ball off a 4.5m tall counter with a speed of 6m/s. How far away does it land?
Front
5.75m
Back
A ball rolls off a 13.9m tall counter with a speed of 3.2m/s. How far away does it land?
Front
5.4m
Back
A ball is thrown horizontally from the roof of a building 62m tall and lands 51m from the base. What was the ball's intial speed?
Front
14.34m/s
Back
A cat leaps horizontally from a 5.8-m-high building with a speed of 4.3m/s. How far from the base of the building will she land?
Front
4.68m
Back
Donald Trump of Hillary Clinton?
Front
Neither
Back
In a projectile, is there horizontal acceleration?
Front
No
Back
A dog jumps of a cliff at 30° above the horizontal at 15m/s and it lands 175m away. How tall was the cliff?
Front
788m...
Back
A frog jumps at 45° above the horizontal at 17m/s from a 3.8m building. How far form the building does it hit the ground?
Front
33m
Back
Can a projectile begin its projectile motion with a downward velocity?