The distance-time graph shows information about part of a car journey.
Use the graph to estimate the speed of the car at time 5 seconds.
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The distance-time graph shows information about part of a car journey.
Use the graph to estimate the speed of the car at time 5 seconds.
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Karol runs in a race.
The graph shows her speed, in metres per second, seconds after the start of the race.
Calculate an estimate for the gradient of the graph when
You must show how you get your answer.
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Describe fully what your answer to part (a) represents.
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Explain why your answer to part (a) is only an estimate.
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The graph shows information about the velocity of a parachutist after jumping from a plane.
By drawing a suitable tangent, find an estimate of the gradient of the curve after 3 seconds.
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Interpret the value of the gradient.
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The graph shows the temperature of a fish tank over the first 6 hours after a heater is added.
By drawing a suitable tangent, find an estimate of the gradient of the curve when = 3.
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Interpret the value of the gradient.
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A fish bowl is being filled with water.
The graph shows how the diameter of the surface of the water changes with time.
Find an estimate for the gradient at = 10.
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Give an interpretation of the gradient.
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The diagram shows part of the graph of
By drawing a suitable straight line, use your graph to find estimates for the solutions of
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is the point on the graph of where
Calculate an estimate for the gradient of the graph at the point .
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The curve is shown on the grid.
Write down the co-ordinates of the points where the gradient of the curve is zero.
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Write down the range of values of x when the gradient of the curve is negative.
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Find an estimate of the gradient of the curve when x = 2.
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The graph shows the distance travelled by a particle over 8 seconds.
Estimate the speed of the particle at 5 seconds.
................................................... m/s
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The graph shows the speed, v metres per second (m/s), of a car at time t seconds.
Use the graph to estimate the acceleration at t = 7.
...................................................m/s2
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and are points on a curve.
is is
Work out the instantaneous rate of change of with respect to at point .
How did you do?
The average rate of change of with respect to between points and is worked out.
Which statement is correct?
Tick one box.
It is positive. | |
It is zero. | |
It is negative. | |
You cannot tell if it is positive or negative. |
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The speed-time graph shows 20 seconds of a car journey.
Harry wants to estimate the distance the car travels in this time.
He uses a triangle and a trapezium, as shown, to estimate the area under the graph.
Complete Harry’s method to estimate the distance the car travels.
.......................m
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For this journey, which of these is true for Harry’s method?
Tick one box.
It works out an overestimate of the distance
It works out an underestimate of the distance
It could work out an overestimate or an underestimate of the distance
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A container is filled with water in 5 seconds.
The graph shows the depth of water, cm, at time seconds.
The water flows into the container at a constant rate.
Which diagram represents the container?
Circle the correct letter.
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Use the graph to estimate the rate at which the depth of water is increasing at 3 seconds.
You must show your working.
.....................cm/s
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A ball is thrown from a point 6 metres above the ground.
The graph shows the height of the ball above the ground, in metres.
Estimate the speed of the ball, in m/s, after 1 second.
You must show your working.
...............................m/s
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Here is a speed-time graph for a train.
Work out an estimate for the distance the train travelled in the first 20 seconds.
Use 4 strips of equal width.
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Is your answer to (a) an underestimate or an overestimate of the actual distance the train travelled?
Give a reason for your answer.
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The graph shows information about the velocity, m/s, of a parachutist seconds after leaving a plane.
Work out an estimate for the acceleration of the parachutist at = 6
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Work out an estimate for the distance fallen by the parachutist in the first 12 seconds after leaving the plane.
Use 3 strips of equal width.
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The graph shows the speed of a car, in metres per second, during the first 20 seconds of a journey.
Work out an estimate for the distance the car travelled in the first 20 seconds.
Use 4 strips of equal width.
How did you do?
Is your answer to part (a) an underestimate or an overestimate of the actual distance the car travelled in the first 20 seconds?
Give a reason for your answer.
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Here is a speed-time graph for a car.
Work out an estimate for the distance the car travelled in the first 10 seconds.
Use 5 strips of equal width.
How did you do?
Is your answer to (a) an underestimate or an overestimate of the actual distance?
Give a reason for your answer.
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The curve is shown on the grid.
By drawing a suitable tangent, find an estimate of the gradient of the curve when x = 1.
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A point lies on the curve.
The x co-ordinate of is negative.
The gradient of the tangent at is 0.
Write down the co-ordinates of .
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Ellie runs a race. The graph shows Ellie's speed in the first 10 seconds after the start of the race.
By drawing a suitable tangent, work out the acceleration when = 9.
Give the units of your answer.
How did you do?
Describe what happens to Ellie after 7 seconds.
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Olympic medallist Usain runs in a race.
The graph shows his speed, in metres per second (m/s), during the first 10 seconds of the race.
Use the graph to find how long it took Usain to reach his top speed.
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Work out an estimate for Usain's acceleration at 2 seconds.
Give the units of your answer.
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Calculate the difference in Usain's acceleration between 2 and 6 seconds.
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The diagram shows the graph of for
Use the graph to solve the equation .
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By drawing a suitable tangent, find an estimate of the gradient of the graph when x = 1.
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Clare emptied a tank and recorded the depth of water each minute.
Time (t minutes) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Depth (m metres) | 30 | 29.5 | 29 | 28 | 27 | 26 | 24.5 | 22.5 | 19.5 | 15 | 9 |
Plot the graph of depth against time.
How did you do?
Work out the average rate of decrease of the depth of the water in Clare's tank between = 0 and = 10.
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Find an estimate for the gradient at = 7.
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Give an interpretation of part (c).
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The graph shows the speed, in metres per second, of a particle over the first four seconds of motion.
Use the graph to estimate the distance travelled by the particle in the four seconds.
............................................... metres
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Liquid is leaking out of a container.
The graph shows the depth of the liquid for 60 seconds.
Use the graph to work out an estimate of the rate of decrease of depth at 10 seconds.
You must show your working.
...........................................cm/s
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The velocity-time graph shows the first 40 seconds of a car in a race.
Work out the average acceleration for the first 40 seconds.
Give the units of your answer.
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Estimate the time during the 40 seconds when the instantaneous acceleration = the average acceleration.
You must show your working on the graph.
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The graph gives information about the variation in the temperature of an amount of water that is left to cool from 80° C.
Work out an estimate for the rate of decrease of temperature at = 300.
How did you do?
Work out the average rate of decrease of the temperature of the water between = 0 and = 800.
How did you do?
The instantaneous rate of decrease of the temperature of the water at time seconds is equal to the average rate of decrease of the temperature of the water between = 0 and = 800.
Find an estimate for the value of .
You must show how you got your answer.
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The diagram shows part of the graph of
By drawing a suitable straight line, use your graph to find estimates for the solutions of
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is the point on the graph of where
Calculate an estimate for the gradient of the graph at the point .
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Leo runs for 12 seconds.
The graph shows his speed.
Show that the distance he runs is less than 67.5 metres.
How did you do?
Work out his average acceleration for the first 9 seconds.
State the units of your answer.
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A car moves from rest.
The graph gives information about the speed, metres per second, of the car seconds after it starts to move.
How did you do?
Work out an estimate for the distance the car travels in the first 20 seconds of its journey.
Use 4 strips of equal width.
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