1
JEE Main 2022 (Online) 30th June Morning Shift
+4
-1

At t = 0, truck, starting from rest, moves in the positive x-direction at uniform acceleration of 5 ms$$-$$2. At t = 20 s, a ball is released from the top of the truck. The ball strikes the ground in 1 s after the release. The velocity of the ball, when it strikes the ground, will be :

(Given g = 10 ms$$-$$2)

A
$$100\widehat i - 10\widehat j$$
B
$$10\widehat i - 100\widehat j$$
C
$$100\widehat i$$
D
$$- 10\widehat j$$
2
JEE Main 2022 (Online) 30th June Morning Shift
+4
-1

Two projectiles P1 and P2 thrown with speed in the ratio $$\sqrt3$$ : $$\sqrt2$$, attain the same height during their motion. If P2 is thrown at an angle of 60$$^\circ$$ with the horizontal, the angle of projection of P1 with horizontal will be :

A
15$$^\circ$$
B
30$$^\circ$$
C
45$$^\circ$$
D
60$$^\circ$$
3
JEE Main 2022 (Online) 29th June Evening Shift
+4
-1

A small toy starts moving from the position of rest under a constant acceleration. If it travels a distance of 10m in t s, the distance travelled by the toy in the next t s will be :

A
10 m
B
20 m
C
30 m
D
40 m
4
JEE Main 2022 (Online) 29th June Evening Shift
+4
-1

A person can throw a ball upto a maximum range of 100 m. How high above the ground he can throw the same ball?

A
25 m
B
50 m
C
100 m
D
200 m
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