1
JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
As shown in the figure, a particle of mass 10 kg is placed at a point A. When the particle is slightly displaced to its right, it starts moving and reaches the point B. The speed of the particle at B is x m/s. (Take g = 10 m/s2)
The value of 'x' to the nearest integer is __________.

The value of 'x' to the nearest integer is __________.

Your input ____
2
JEE Main 2021 (Online) 26th February Morning Shift
Numerical
+4
-1
A boy pushes a box of mass 2 kg with a force $$\overrightarrow F = \left( {20\widehat i + 10\widehat j} \right)N$$ on a frictionless surface. If the box was initially at rest, then ___________ m is displacement along the x-axis after 10s.
Your input ____
3
JEE Main 2021 (Online) 25th February Morning Shift
Numerical
+4
-1
The potential energy (U) of a diatomic molecule is a function dependent on r (interatomic distance) as
$$U = {\alpha \over {{r^{10}}}} - {\beta \over {{r^5}}} - 3$$
where, $$\alpha$$ and $$\beta$$ are positive constants. The equilibrium distance between two atoms will be $${\left( {{{2\alpha } \over \beta }} \right)^{{a \over b}}}$$, where a = ___________.
$$U = {\alpha \over {{r^{10}}}} - {\beta \over {{r^5}}} - 3$$
where, $$\alpha$$ and $$\beta$$ are positive constants. The equilibrium distance between two atoms will be $${\left( {{{2\alpha } \over \beta }} \right)^{{a \over b}}}$$, where a = ___________.
Your input ____
4
JEE Main 2020 (Online) 5th September Evening Slot
Numerical
+4
-0
A body of mass 2 kg is driven by an engine
delivering a constant power of 1 J/s. The body
starts from rest and moves in a straight line.
After 9 seconds, the body has moved a
distance (in m) _______.
Your input ____
Questions Asked from Work Power & Energy (Numerical)
Number in Brackets after Paper Indicates
No. of Questions
JEE Main 2023 (Online) 1st February Evening Shift (2)
JEE Main 2023 (Online) 1st February Morning Shift (1)
JEE Main 2023 (Online) 31st January Morning Shift (1)
JEE Main 2023 (Online) 30th January Evening Shift (1)
JEE Main 2023 (Online) 29th January Morning Shift (1)
JEE Main 2023 (Online) 25th January Morning Shift (1)
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JEE Main 2021 (Online) 18th March Evening Shift (1)
JEE Main 2021 (Online) 18th March Morning Shift (1)
JEE Main 2021 (Online) 26th February Morning Shift (1)
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