Motion Test Flashcards
1
Q
- An object in motion must be undergoing a change of
A
Position
Notes
2
Q
- A softball pitcher throws a ball at 42 meters per second. If the batter is 18 meters from the pitcher. Approximately how much times does it take for the ball to reach the batter?
A
.43 seconds
Practice putting it all together motion
3
Q
- The graph to the right shows the relationship between distance and time for A moving object. According to the graph the object is
A
Speeding up- notes
4
Q
- A cross country runner runs 10 km in 40 min. Whats his average
A
.25 km/min - practice
5
Q
- The uniform motion of a cart is shown in the distance versus time graph to the right. What is the speed of the cart?
A
H2 m/s - practice
6
Q
- At what point is the rate of change of velocity the greatest?
A
Line a (the steepest line)
7
Q
- When a car traveling at 30 m/s hits the gas pedal, it speeds up to 65m/s in 3.5 sec. What is the cars acceleration during that time?
A
10 m/s^2 - practice
8
Q
- The graph at the right represents the motion of . According to the graph, as time increases, the speed of the car ____
A
Stays the same - notes
9
Q
- Ben is exercising his pony on a large oval track. The pony is trotting at a constant speed of 10 m/s around the track. Which statement can be made about the pony’s motion?
A
The pony is accelerating- notes
10
Q
- Can the velocity of a car change when its speed is constant?
A
Yes bc velocity is the speed + direction
You can be moving at a constant speed, but the direction can change so the velocity can change
-notes
