1
KCET 2021
+1
-0

The maximum range of a gun on horizontal plane is $$16 \mathrm{~km}$$. If $$\mathrm{g}=10 \mathrm{~ms}^{-2}$$, then muzzle velocity of a shell is

A
$$160 \mathrm{~ms}^{-1}$$
B
$$200 \sqrt{2} \mathrm{~ms}^{-1}$$
C
$$400 \mathrm{~ms}^{-1}$$
D
$$800 \mathrm{~ms}^{-1}$$
2
KCET 2021
+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
3
KCET 2021
+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
4
KCET 2021
+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
EXAM MAP
Medical
NEET