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Q:

The velocity required to place a vehicle in orbit round the moon is _______ that required to place it in orbit round the earth 

A) less than B) Greater than
C) equal to D) greater than or equal to
 
Answer & Explanation Answer: A) less than

Explanation:

This orbital velocity at the moon is less because orbital velocity = rg

 

where 'r ' is the orbital radius. i.e the distance of the body from the center of the earth and 'g' is the acceleration due to gravity on the body in question. In the case of the moon, both r and g are less than in the case of the earth.

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Filed Under: Physics
Exam Prep: AIEEE , GATE

Q:

which city has the Metro with Most stations?

Answer

New York City Subway has 468 stations (277 of which are under ground) in a network covering 370 km (230 miles)

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Subject: General Awareness

Q:

Estate Duty was introducded in ________

Answer

Estate Duty which was introduced in 1953, was withdrawn from March 1, 1985.

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Subject: General Awareness

Q:

The Busiest Metro Station in the world _________

Answer

Shinjuku Station in Tokyo, Japan, has an average of 3.64 million passengers pass through it each day. It has more than 200 exits.

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Subject: General Awareness

Q:

When was the first time declared National Sports Day?

Answer

August 29, 1995 was for the first time declared National Sports Day, it being the 90th birthday of hockey wizard Dhyan Chand

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Subject: General Awareness

Q:

What is the Biggest Annual Net Loss?

Answer

AOL Time Warner (USA) reported an annual net loss of $98.7 billion on 30 January 2003.

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Subject: General Awareness

Q:

What is the Busiest Metro Network in the world?

Answer

The Moscow Metro in Russia carries 8-9 million passengers each day. By comparison, the New york City Subway, USA carries 4.5 million people each day and the London underground , UK, carries just over 3 million.

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Subject: General Awareness

Q:

When was the demand for a separate Telangana hit a turning point on?

Answer

The demand for a seperate Telangana hit a turning point on December 16,2010 when around 12-15 lakh attended the 'Telangana Maha Garjana' at Warangal in Andhra pradesh. The rally ste off a chain of events that culminated in the Centre agreeing to form a Telangana state.

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Subject: Indian Politics