Activity 1 Question 1
The video indicates that there are 96 frames for each second. How many seconds do 48 frames represent?
[blank_start]answer[blank_end] seconds
Respuesta
0.5
Pregunta 3
Pregunta
On your graph, neatly draw a line that you can use to determine the average velocity of the ball between 0.5 s and 2.0 s, then perform the necessary calculations using this line.
In the field below, enter your calculated value of the average velocity of the ball.
[blank_start]answer[blank_end] metres / second.
Respuesta
0.56
Pregunta 4
Pregunta
On your graph, neatly draw the appropriate line that will enable you to determine the instantaneous velocity of the ball when it is at a position of 0.40 m.
Enter the instantaneous velocity below.
[blank_start]answer[blank_end] metres/second
Respuesta
0.6
Pregunta 5
Pregunta
The drawing shows the motion diagram of a car that has been photographed at equal time intervals. The dot represents the position of the front of the car.
The description that could describe the motion of the car is:
The car is moving to the left, first speeding up and then slowing down.
The car is moving to the right, first speeding up and then slowing down.
The car is moving to the right and slowing down.
The car is moving to the right and speeding up.
Pregunta 6
Pregunta
The drawing shows the motion of a car that has been photographed at equal time intervals. Assume that the car is moving toward the right.
The Position versus Time graph that could match the motion of the car is:
The car is definitely moving in the positive x-direction.
The car is definitely slowing down.
The car is definitely speeding up.
Pregunta 10
Pregunta
It is observed that a car traveling toward the south on a straight highway is slowing down.
Which of the following statements must be true? There are two correct statements.