The mass of an accelerating object and the force that acts on it.Difference between velocities at two distinct points in time.It works in three different ways, based on: You can try a few maths practice tests, such as these, which will help you to practise your basic numeracy skills.Our acceleration calculator is a tool that helps you to find out how fast the speed of an object is changing. You may get a compound question, which asks you to use the formula in conjunction with other maths skills to work out the answer to the problem. Secondly, you should focus on improving your general mathematical skills. The key to answering these questions is knowing the formula inside out, so that you always know what equation to use, whether the exam question is asking you to work out speed or distance.īy making sure you have memorized the formula in all its variations, you will save yourself time when answering questions. To improve your skill in answering speed distance time questions, there are two main things you can do.įirst, make sure that you are familiar with the formula triangle. 20 30 =50, so she travels 50 miles in total. In the second half, she travels 30 miles, (20 x 1.5 = 30). How far does she travel in total?Īnswer: In the first half of her journey she travels 20 miles (10 x 2 = 20). In the second half, she travels at 20mph for 90 minutes. In the first half of the journey, she travels at 10mph for 2 hours. If we convert this into hours and minutes, it will take her 1 hour and 4 minutes to run 8km. If she runs 10km at 7.5kph, to work out the time, you need to divide 8 by 7.5, which equals 1.066. If she maintains the same speed, how long would it take her to run the 8km race?Īnswer: Her speed is 7.5kph. Tessa runs a 5km race with her running club every Saturday.Who is travelling faster?Īnswer: Andy is driving at 50mph, and Harry is driving at 44.44mph. Harry drives 200 miles, which takes him 4.5 hours. Andy drives his lorry for 400 miles, which takes him 8 hours.Three example speed/distance/time questions The time taken to travel this distance is 10 miles per hour. If the driver travelled 50 miles at 5mph, then to work out the time taken you would divide:ĥ0miles / 5 miles per hour -\> 50 / 5 = 10 To work out the time that the journey took, you will need to know the speed of the journey and the distance that was travelled. If a driver travelled at 100mph for 4 hours, then to work out the distance you will need to multiply the speed with the time. To work out the distance travelled, you will need to multiply speed and time. If a driver has travelled 180 miles and it took them 3 hours to make that distance, then to work out their speed you would take: If you cover up speed, you are left with distance over time. You can work this out by using the triangle. ![]() ![]() To calculate speed, you need to divide the distance by the time. When beginning to study for your practice test, make sure you write out the triangle on your paper. As distance is at the top of the triangle, to work it out, you need to multiply speed with time.Īs speed and time are at the bottom of the triangle, you need to divide this number from the figure for distance, to work out the correct answer. ![]() The triangle shows you what calculation you should use. The formula of distance is Distance = Speed x Time.The formula of time is Time = Distance ÷ Speed.The formula of speed is Speed = Distance ÷ Time.The triangle will help you remember the three formulas: The triangle is an easy way to remember the formula and can save you time when working out your exam questions. In the triangle, speed and time form the base, as they are what is multiplied together to work out the distance. This formula can be arranged into the triangle above. You may see these equations simplified as s=d/t, where s is speed, d is distance, and t is time. To get the distance, multiply the speed by time. To calculate time, divide the distance by speed. To work out speed, divide the distance of the journey by the time it took to travel, so speed = distance divided by time. How to calculate speed, distance
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