Module 20 - Calculating Speed And Graphing Motion Question Preview (ID: 55063)
Calculating Speed And Graphing Motion.
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Alexander and George investigated the motion of a car during a 5 hour trip. Their data is in the table shown. Which of the following is the best position-time graph to represent the motion of their car?
a) Graph (a)
b) Graph (b)
c) Graph (c)
d) Graph (d)
Which of the following correctly identifies the average speed and motion of this car?
a) 15 km/hr decelerating with a positive velocity
b) 75 km/hr accelerating with a negative velocity
c) 15 m/s decelerating with a negative velocity
d) 5 m/s accelerating with a positive velocity
Which of the following graphs represents an object accelerating the most?
a) Graph (a)
b) Graph (b)
c) Graph (c)
d) Graph (d)
Which of the following most accurately describes the motion of the student according to their position-time graph?
a) The student first decreased in speed, stopped, then increased in speed in the other direction.
b) The student first increased in speed, stopped, then continued at the same speed in the other direction.
c) The student first traveled at a constant speed, stopped, then continued at the same constant speed in the other direction.
d) The student first decelerated, stopped, then accelerated in the opposite direction.
Which of the following correctly identifies when this object had the greatest average speed?
a) Between 0 and 2 seconds
b) Between 2 and 3 seconds
c) Between 3 and 5 seconds
d) Between 4 and 5 seconds
A student was investigating how the angle of a ramp effects the average speed of a cart. The student found that the cart traveled 100 centimeters (cm) in 5 seconds (s). What is the average speed of the cart?
a) 20 cm/s
b) 105 cm/s
c) 95 cm/s
d) 500 cm/s
Which of the following mathematical formulas should Douglas use to accurately determine which one of his friends runs fastest?
a) d=v(t)
b) v=d/t
c) t=d/v
d) v=d(t)
Students at school every year had to run a mile. On average, students in middle school ran 1 mile in approximately 10 minutes. What is the average speed of students in middle school running a mile?
a) 1 mph
b) 10 mph
c) 0.1 mpm
d) 1 mpm
If a car traveled 200 miles in 1.45 hours. What is its average speed to the nearest whole number?
a) 138 miles/hr
b) 137 miles/hr
c) 138 m/s
d) 137 m/s
During an investigation, a student measured the distances that four electric toy cars traveled in 12 seconds. Which toy car had an average speed of 2.5 m/s?
a) Car 1
b) Car 2
c) Car 3
d) Car 4
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