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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ६

Vehicles moving with varying speeds are said to be in uniform motion. - Science

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प्रश्न

Vehicles moving with varying speeds are said to be in uniform motion.

विकल्प

  • True

  • False

MCQ
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उत्तर

Vehicles moving with varying speeds are said to be in uniform motion- False.

Correct statement

Vehicles moving with varying speeds are said to be in non-uniform motion.

OR

Vehicles moving with uniform speeds are said to be in uniform motion.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Force and Motion - Activity [पृष्ठ ३१]

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सामाचीर कलवी Science - Term 1 [English] Class 6 TN Board
अध्याय 2 Force and Motion
Activity | Q III. 3. | पृष्ठ ३१

संबंधित प्रश्न

The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also.


Suppose the two photographs, shown in Figure 1 and Figure 2, had been taken at an interval of 10 seconds. If a distance of 100 metres is shown by 1 cm in these photographs, calculate the speed of the fastest car.

Figure 1 Vehicles moving in the same direction on a road

Figure 2 Position of vehicles shown in Figure 1 after some time


When is instantaneous speed the same as the average speed?


The average time taken by a normal person to react to an emergency is one fifteenth of a second and is called the 'reaction time'. If a bus is moving with a velocity of 60 km/h and its driver sees a child running across the road, how much distance would the bus had moved before he could press the brakes? The reaction time of the people increases when they are intoxicated. How much distance had the bus moved if the reaction time of the driver were 1/2 s under the influence of alcohol?


A body covers half the distance with the speed A and the other half with speed B. What will be the average speed for the whole journey?


Length of scale : metre :: Speed of aeroplane : ______.


Compare speed and velocity


Distances between two cities are measured in kilometres.


The cheetah the fastest animal among terrestrial animals run with an average speed of ______.


A spaceship travels 36,000 km in one hour. Express its speed in km/s.


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