Question
A train running with 90km/hr takes 25sec to cross a
platform 250 m long. How much it take to cross a stationary train having length of 75m ?Solution
250+L = 90 × (5/18) × 25 L= 375m 375 + 75 = 90 × (5/18) × t So, t = 18sec.
The orbital velocity of a satellite depends on:
_________is a formula for rust.
Diamond does not conduct electricity because of which of the following reason?Â
Which of the following is a water soluble vitamin?
Which of the following is correct regarding isobars?
I. They have different atomic numbers
II. The have same mass numbers
Which of the following is used as a moderator in nuclear reactors?Â
Who measured the velocity of light first?
Sound cannot pass through –
Name the source from which aspirin is produced?
How can a mixture of sand and salt be separated?