AIPMT 2005 | Motion in a Straight Line Question 32 | Physics

AIPMT 2005

MCQ (Single Correct Answer)

-1

A ball is thrown vertically upward. It has a speed of 10 m/sec when it has reached one half of its maximum height. How high does the ball rise?
(Take g = 10 m/s².)

10 m

5 m

15 m

20 m

AIPMT 2005

MCQ (Single Correct Answer)

-1

The displacement x of a particle varies with time t as x = ae^$$-$$at + be^{$$\beta $$t}, where a, b, $$\alpha $$ and $$\beta $$ are positive constants. The velocity of the particle will

be independent of $$\beta $$

drop to zero when $$\alpha $$ = $$\beta $$

go on decreasing with time

go on increasing with time.

AIPMT 2003

MCQ (Single Correct Answer)

-1

If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is

$${1 \over 2}$$ gt²

ut $$-$$ $${1 \over 2}$$ gt²

(u + gt) t.

AIPMT 2003

MCQ (Single Correct Answer)

-1

A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g = 9.8 m/s²)

more than 19.6 m/s

at least 9.8 m/s

any speed less than 19.6 m/s

only with speed 19.6 m/s.

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