1The table gives values of distance and time for a child travelling along a straight track competing in an egg and spoon race. Time (seconds) |0 |5 |10 |15 |20 |25 | |Distance (metres) |0 |8 |20 |20 |24 |40 | |aCopy the graph axes below on to graph paper. Plot a graph of distance against time for the child. [pic](3)

bName the dependent variable shown on the graph.

(1)

cWhat type of variable is this?

(1)

dUse your graph to estimate the distance travelled in 22 seconds.

(1)

eUse your graph to estimate the time taken for the child to travel 15 metres.

(1)

fDescribe the motion of the child between 10 seconds and 15 seconds. Give a reason for your answer.

(2)

2The graph shows how far a runner travels during a charity running race. [pic]
aWhat was the distance of the race?

(1)

bHow long did it take the runner to complete the race?

(1)

cFor how long did the runner rest during the race?

(1)

dBetween which two points was the runner moving the fastest? Give a reason for your answer.

(2)

eBetween which two points did the runner travel at the same speed as they did between A and B?

(1)

fCalculate the speed of the runner between B and C in metres per second. Show clearly how you work out your answer.

(3)

3A cyclist is travelling along a straight road. The graph shows how the velocity changes with time for part of the journey. [pic]
aExplain how is acceleration found from a velocity–time graph.

(1)

bCopy and complete the following sentences using the list of words and phrases below. Each one can be used once, more than once or not at all. is stationary travels at a constant speed accelerates decelerates

...Kinematics
Position
To specify a position vector you need to specify:
• Origin
• Distance
• Direction
If using a 3D right-handed coordinate system with the
origin being the reference point for the position vector,
it is enough to specify the coordinates x, y and z.
For a moving object the position vector is a function of
time.
Velocity & Acceleration
• Velocity is defined as the change in position over
a change in time; thus the average velocity is
and the instantaneous...

...LAB # 1
Graph Matching
Principles of Physics I Laboratory
Breanna Wilhite
Introduction
In this lab motion will be represented by graphs that plots distance and velocity vs. time. A motion detector will be used to measure the time it takes for a high frequency sound pulse to travel from the detector to an object and back. By using this method sound can determine the distance to the object, or its position. This device will determine in what direction the...

...Angular Kinematics
An object on a point that rotate a fixed axis has circular motion around the same axis. Linear quantities cannot be used for circular motion. This is due to the extended objects rotational motion rather that a particles linear motion. Circular motion, for this reason, is described in terms of the change in angular position. Except for the points on the axis, all the points on a rotating rigid object during any time interval move through the same angle.
Many...

...his budget will go to his foods with 45% of his total allowance. Next is for lodging with 30% followed by the projects and fare which will have 10%. The least designation for his budget will be for his savings which has 5% only.
2. BAR GRAPH
The bar graph shows the yearly tourist count for the provinces of region V. the province of Albay got the highest number of tourist with 450 000. It is followed by the provinces of Camarines Sur and Camarines Norte with...

...respondents. As reflected on the table, the male has the larger percentage than the female. Out of 97 respondents, 57 or 59% are male while 40 or 41% are female.
To illustrate visually the sex profile, the graph is presented below.
20
Graph 1
[pic]
Gender Profile of the Respondents
Table 2
Analytical Skills
|Respondents | |S |N |Computed t...

...height and gravitational pull affects the acceleration of a moving and a free falling object.
3. From the data obtained, how would you account the difference between the picket fence’s acceleration and the value of g?
The value of the slope of a graph of average velocity versus time will be the acceleration due to gravity of the falling object.
E102-MOTION ALONG A STRAIGHT LINE
PROBLEM:
1. A police car is searching for a fugitive that...

...Distance-Time Graphs
Constructing graphs of an objects motion gives a better idea of the behaviour of the moving object.
A distance-time graph is constructed by having the distance as the vertical axis and the time as the horizontal axis. By recording the distance travelled over different intervals of time and plotting these values a distance-time graph can be plotted. From this plot information about the moving object can easily be...

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