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Showing: Class 9 / Science (314 questions)
A negative value of acceleration for a moving object signifies that:
Which of the following statements is true for an object undergoing uniform circular motion?
Which of the following scenarios is an example of uniform acceleration?
What physical quantity is represented by the slope of a distance-time graph?
A car travels a distance of 150 km in 3 hours. What is its average speed in meters per second (m/s)?
A wave has a frequency of 10 Hz and a wavelength of 2 m. What is the speed of the wave?
Why is aluminium unreactive with air under normal conditions?
Which plant tissue is responsible for transporting water and minerals from the roots to the leaves?