Physics: How long does it take a rocket traveling at a constant velocity of 100 m/s to climb from 200m to 1200m

How long does it take a rocket traveling at a constant

tay8556

07.01.2022

10 seconds

Explanation:

you multiply 100 by 10 in order to get 1000m

you add 200m to 1000m to get to the maximum of 1200m

since you travel at 100 per second, it took 10 seconds

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luje

23.10.2020

The displacement from starting point, x = 2.236 km.Direction of the displacement = 26.56 degrees with repect to east measured anticlockwise.

Explanation:

Given that a driver drives 1 km north and 2 km east.

such that from the strating point, he travels towards north and then east such that the angle between them is 90 degrees.

Visualise the situation to a right anged triangle

and the line joining the starting point and the ending point will be the hypotenuse of the traingle.

By pythogoras theorm,

$x^{2} = a^{2} + b^{2}$

where a = 1 km and b = 2 km

$x^{2} = 1^{2} + 2^{2}$

$x^{2} = 5\\x = \sqrt{5}$

The displacement from starting point, x = 2.236 km

The distance travelled by the driver = 2.236 km.

Direction of the displacement = atan ( $\frac{1}{2}$ )

= 26.56 degrees with repect to east measured anticlockwise.

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