Question
What is the escape velocity from
Earth? ÂSolution
Escape velocity is the minimum speed needed to leave Earth’s gravitational field.  It is 11.2 km/s, regardless of mass of object.  This concept is vital in space missions.  Depends on mass and radius of the planet.
Which of the following may be the code for ‘lessons War’?
Statements :Â Â Â Â Â
No letter is an alphabet.
Some alphabets are digits.
Some digits are numbers.
Conclusions :   �...
If radius of a cone is 7 cm and its height is 15 cm, then find the volume (in cm3) of the cone.
Fill in the blanks BA_BA_BAC_ACB_CBAC
Which of the following is an example of .xls and.doc?
Find the greatest 3 digit number which when divided by 13 or 17 leave 2 as remainder.
How is C related to B?
I. D is married to E. C is the sister of D. E has only one daughter F. F is the granddaughter of B.
II. D is the da...
The LCM of two numbers is 180, and the numbers are in the ratio 5:9. What will be the sum of the numbers?
John moves a distance of 8 km towards west. Then he moves towards south-east andcovers a distance of 6 km. From there, he moves towards east and travels...
Select the term that relates to the third term in the same way as the second term relates to the first term.
Close : Open :: Cut:
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