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Day: February 6, 2022
A ball is gently dropped from a height of 20m. If its velocity increases uniformly at the rate of 10 m/s² , with what velocity will it strike the ground? After what time will it strike the ground?
Class 9
Physics
Motion
06/02/2022
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A driver of a car travelling at 52km/h applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5 seconds. Another driver going at 3 km/h in another car applies his brakes slowly and stops in 10 seconds. On the same graph paper, plot the speed versus time graphs for the two cars. Which of the two cars travelled farther after the brakes were applied.
Class 9
Physics
Motion
06/02/2022
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A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3m/s² for 8 seconds. How far does the boat travel during this time?
Class 9
Physics
Motion
06/02/2022
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Abdul, while driving to school, computes the average speed for his trip to be 20km/h. On his return trip along the same route, there is less traffic and the average speed is 30 km/h . What is the average speed for Abdul’s trip?
Class 9
Physics
Motion
06/02/2022
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Q-What are the ethical guidelines that a psychologist needs to follow while conducting a psychological enquiry?
Class 11
psychology
06/02/2022
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Q-Describe the limitations of psychological enquiry.
Class 11
psychology
06/02/2022
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Q- Explain the characteristics of a standardised test.
Class 11
psychology
06/02/2022
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Q-Differentiate between an interview and a questionnaire.
Class 11
psychology
06/02/2022
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Q-Give two examples of the situations where survey method can be used. What are the limitations of this method?
Class 11
psychology
06/02/2022
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Q- Dr. Krishnan is going to observe and record children’s play behaviour at a nursery school without attempting to influence or control the behaviour. Which method of research is involved? Explain the process and discuss its merits and demerits.
Class 11
psychology
06/02/2022
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Q- Discuss the strengths and weaknesses of experimental method as a method of enquiry.
Class 11
psychology
06/02/2022
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Q- A researcher is studying the relationship between the speed of cycling and the presence of people. Formulate a relevant hypothesis and identify the independent and dependent variables.
Class 11
psychology
06/02/2022
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