Project: Travel on a motor vehicle with your father to market or any other place and observe the changes in speedometer reading. Note the exact time when you started from home and observe speedometer reading carefully and note it and the corresponding time in the table. Some examples are given in the table. Speedometer reading (speed) 0 20 30 Corresponding time (time) Starts at home at 9.10 am 9.15am 9.20am Observe the following and write the answers for the following questions based on your observations: 1. Does the speed of the vehicle remain the same throughout the journey? 2. If not, what can you say about the speed of the vehicle during the journey?
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speedometer is the answer
Many objects in the world around us are moving. To compare how fast they are moving, we need to know their speed. You may have observed the speedometer in motor cars which tells us how fast the car is travelling. Usually, the Odometer in a vehicle shows the distance travelled in kilometers and the Speedometer the speed of the journey in kilometers per hour. Look at the speedometers of two vehicles shown here and decide which vehicle is slower.
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