Question
A rubber ball is dropped from a height of 2 metres. To
what height will it rise if there is no loss of energy/velocity after rebounding?Solution
The potential energy of a body when raised through height h is given by mgh. Eachtime, a normal rubber ball hitsthe floor, it losesone-fifthofitstotalenergyandtherebound heightisproportionaltoenergy,soeachbounce will rebound to four-fifth of the previous bounce.
Identify the pigment that gives blood its colour.
Which Union Ministry is associated with the Citizenship (Amendment) Act, 2019?
Which state's Shahi litchi has been awarded the Geographical Indication (GI) tag?
Which one of the following is not a correct IP address?
Match List – 1 and List – 2 and select the correct answer by using the code given below the list.
Where will India and the USA be co-hosting the Global Entrepreneurship Summit in November 2017?
Where was the 7th Indian Ocean Conference held?
Which of the following is/are one of the United Nations Sustainable Development Goals?
(A) Zero Hunger
(B) Climate Action
(C...
The first Amendment to the constitution of India was made on______.
Rivers such as the Ganga and Son flowed through ______, a mahajanapada in ancient India.
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