1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The trajectory of projectile is

A
semicircle
B
an ellipse
C
a parabola always
D
a parabola in the absence of air resistance
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

For a projectile motion, the angle between the velocity and acceleration is minimum and acute at

A
only one point
B
two points
C
three points
D
four points
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A particle starts from the origin at $$t=0$$ with a velocity of $$10 \hat{\mathbf{j}} \mathrm{ms}^{-1}$$ and move in the $$x$$-$$y$$ plane with a constant acceleration of $$(8 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}) \mathrm{ms}^{-2}$$. At an instant when the $$x$$-coordinate of the particle is $$16 \mathrm{~m}, y$$-coordinate of the particle is

A
16 m
B
28 m
C
36 m
D
24 m
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

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?

A
$$30^{\circ}$$, towards east
B
$$45^{\circ}$$, towards east
C
$$30^{\circ}$$, towards west
D
$$45^{\circ}$$, towards west
KCET Subjects
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