# Recent questions in Concepts in Physics - Agronomy

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Answers#### A point mass moves through a circular arc of length l and radius r in time t what is ats angular velocity about the centre of the circle

1) l/rt2) r/lt3) 2pi/lt4) 2pi r /t

13/07/2017
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Answers#### A generator supplies 100 V to a transformer’s primary coil, which has 50 turns. If the sec-ondary coil has 500 turns, (i) what is the secondary voltage? If the load, with resistance of 3Ω, isconnected on the secondary coil, what current will flow on (ii) secondary, and (iii) primary coils? (iv)Based on your answers in (i), (ii) and (iii), what type of transformer is in question?

A generator supplies 100 V to a transformer’s primary coil, which has 50 turns. If the sec-ondary coil has 500 turns, (i) what is the secondary voltage? If the load, with resistance of ...

04/05/2017
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Answers#### A NASA astronaut hits a golf ball on the Moon, which quantities remain constant as the ball travels through the lunar vacuum?

A NASA astronaut hits a golf ball on the Moon. Which of the following quantities, if any, remain constant as the ball travels through the lunar vacuum? (a) speed (b) acceleration (c)...

25/11/2014