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Time, Speed & Distance- 3 Video Lecture | Crash Course for CAT

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FAQs on Time, Speed & Distance- 3 Video Lecture - Crash Course for CAT

1. What is the formula to calculate speed?
Ans. Speed is calculated by dividing the distance traveled by the time taken to cover that distance. The formula for speed is Speed = Distance/Time.
2. How can I convert speed from km/hr to m/s?
Ans. To convert speed from km/hr to m/s, you can multiply the speed in km/hr by 5/18. This is because 1 km/hr is equal to 5/18 m/s.
3. How do I calculate the time taken to cover a certain distance at a given speed?
Ans. To calculate the time taken to cover a distance at a given speed, you divide the distance by the speed. The formula for time is Time = Distance/Speed.
4. What is the difference between average speed and instantaneous speed?
Ans. Average speed is the total distance traveled divided by the total time taken, while instantaneous speed is the speed at a specific moment in time.
5. Can speed be negative?
Ans. Speed is a scalar quantity and can only be positive. However, velocity, which is a vector quantity that includes direction, can be negative if the object is moving in the opposite direction.
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