1D Motion
The difference between Vector and scalar quantities
Direction
The acceleration of gravity is equal to
-9.8m/s/s
A horizontal projectile has how much horizontal acceleration
0 m/s/s
The vertical component of an objects initial velocity when fired at 10m/s at a 45 degree angle
7.07 m/s
This is the value that can be found from the slope of a velocity-time graph.
Acceleration
A ball rolls on the ground for 6 seconds travelling 3m. What is the velocity of the ball
0.5m/s
Acceleration of an object at peak when thrown straight up.
-9.8m/s/s
A ball is dropped from a height "Y" if a horizontal projectile is launched from height "Y" at the same time. the time it takes for the dropped ball to hit the ground is ____ to the launched ball
equal
When solving time for a projectile launched at an angle you will need this special equation to find the answer (hint: there are two possible answers when solving this equation)
Quadratic equation
What is the velocity of the object for the first 10 seconds of the objects motion given by the graph
6 m/s
A ball is dropped from a 78.4m high tower. It hits the ground after 4 seconds. How much acceleration is acting on the ball?
9.8m/s/s due to gravity
The time it takes for an object to fall when dropped from 4.9m above the ground. (Hint initial velocity=0)
1 second
The time it takes for a cannonball to hit the ground when launched horizontally from a 10m high wall at 20m/s
1.43 seconds
An object launched from the ground at 45 degrees with an initial velocity of 10m/s stays in the air for this long before hitting the ground at the same height again
1.44 seconds
What is the displacement of the object for the first 40 seconds of its motion given by the graph
-40 meters
A dodge charger at a stop sign accelerates at 1m/s/s over 100m. What is the final speed of the dodge charger?
14.14m/s
A stone is dropped down a well. If it falls for 3 seconds how far did the stone travel.
-44.1m
The range achieved by a cannonball to hit the ground when launched horizontally from a 10m high wall at 20m/s
28.57 meters
The time it takes for a ball to hit the ground when launched at 10 m/s at a 30 degree angle, starting 10m above the ground.
2.03 seconds
The acceleration of the object from 15 seconds to 40 seconds from the provided graph
-4 m/s/s
On the moon gravity is lighter than that on earth. If a ball is dropped and it takes 3 seconds for a ball to fall a distance of 7.34m. What is the acceleration
-1.63 m/s/s
This is how long it will take a 5 kg object to hit the ground if dropped from rest at a height of 12.5 m.
1.60 seconds
Using a sling shot you launch a stone horizontally at 50m/s from approximately 15m high deck. What is the horizontal distance achieved
87.48 meters
The range of an object launched from the ground at 50 m/s at a 60 degree angle when it hits the ground 5m above the height it started at
223.77 m
Draw a displacement v time graph for an object that starts at the origin:
-travels at a constant 5m/s from 0-5 seconds
-Stops for 1 second
-accelerates at -2.5m/s/s from 6- 8 seconds
(Draw out answer)