Physics · 2023
JEE Main · 11 April 2023, Shift 1 · Q49
An average force of 125 N is applied on a machine gun firing bullets each of mass 10 g at the speed of 250 m / s to keep it in position. The number…
An average force of $\displaystyle 125$ N is applied on a machine gun firing bullets each of mass $\displaystyle 10$ g at the speed of $\displaystyle 250 \mathrm{~m} / \mathrm{s}$ to keep it in position. The number of bullets fired per second by the machine gun is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 50$
More from Newton's Laws of Motion
- Three masses m_1=4 kg, m_2=4 kg and m_3=6 kg are suspended from a fixed smooth frictionless pully as shown in the figure below. The value of T_1 /…2026
- The position vector of a particle related to time t is given by r=(10 t i+15 t^2 j+7 k) m The direction of net force experienced by the particle is:2023
- As shown in figure, a 70 kg garden roller is pushed with a force of F=200 N at an angle of 30° with horizontal. The normal reaction on the roller is…2023
- A wooden block, initially at rest on the ground, is pushed by a force which increases linearly with time t. Which of the following curve best…2024
- The velocity at which 6 kg mass (shown in figure) strikes the ground when it is released from a height of 6 m above the ground is ____ m/s. Assume…2026
- Three blocks M_1, M_2, M_3 having masses 4 kg, 6 kg and 10 kg respectively are hanging from a smooth pully using rope 1, 2 and 3 as shown in figure.…2024
- A wooden block of mass 5 kg rests on a soft horizontal floor. When an iron cylinder of mass 25 kg is placed on the top of the block, the floor yields…2024
- A wedge Y with mass of 10 kg and all frictionless surfaces and the inclined surface making 37^° with horizontal. A block X with mass 2 kg is placed…2026
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.