1
JEE Main 2023 (Online) 25th January Evening Shift
+4
-1

Two objects are projected with same velocity 'u' however at different angles $$\alpha$$ and $$\beta$$ with the horizontal. If $$\alpha+\beta=90^\circ$$, the ratio of horizontal range of the first object to the 2nd object will be :

A
1 : 1
B
2 : 1
C
1 : 2
D
4 : 1
2
JEE Main 2023 (Online) 25th January Morning Shift
+4
-1

A car travels a distance of '$$x$$' with speed $$v_1$$ and then same distance '$$x$$' with speed $$v_2$$ in the same direction. The average speed of the car is :

A
$${{{v_1}{v_2}} \over {2({v_1} + {v_2})}}$$
B
$${{2{v_1}{v_2}} \over {{v_1} + {v_2}}}$$
C
$${{2x} \over {{v_1} + {v_2}}}$$
D
$${{{v_1} + {v_2}} \over 2}$$
3
JEE Main 2023 (Online) 24th January Evening Shift
+4
-1

The velocity time graph of a body moving in a straight line is shown in the figure.

The ratio of displacement to distance travelled by the body in time 0 to 10s is :

A
1 : 1
B
1 : 3
C
1 : 4
D
1 : 2
4
JEE Main 2023 (Online) 24th January Morning Shift
+4
-1

The maximum vertical height to which a man can throw a ball is 136 m. The maximum horizontal distance upto which he can throw the same ball is :

A
136 m
B
272 m
C
68 m
D
192 m
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