KCET 2020 | Motion in a Plane Question 7 | Physics

Rain is falling vertically with a speed of $$12 \mathrm{~ms}^{-1}$$. A woman rides a bicycles with a speed of $$12 \mathrm{~ms}^{-1}$$ in east to west direction. What is the direction in which she should hold her umbrella?

$$30^{\circ}$$, towards east

$$45^{\circ}$$, towards east

$$30^{\circ}$$, towards west

$$45^{\circ}$$, towards west

KCET 2019

MCQ (Single Correct Answer)

-0

The trajectory of a projectile projected from origin is given by the equation $$y=x-\frac{2 x^2}{5}$$. The initial velocity of the projectile is

$$\frac{2}{5} \mathrm{~ms}^{-1}$$

$$5 \mathrm{~ms}^{-1}$$

$$25 \mathrm{~ms}^{-1}$$

$$\frac{5}{2} \mathrm{~ms}^{-1}$$

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