<p><strong>A boy pushes a box of mass 2kg with a force <math><mrow><mover accent="true"><mi>F</mi><mo>→</mo></mover><mo>=</mo><mrow><mo>(</mo><mrow><mn>2</mn><mn>0</mn><mover accent="true"><mi>i</mi><mo>^</mo></mover><mo>+</mo><mn>1</mn><mn>0</mn><mover accent="true"><mi>j</mi><mo>^</mo></mover></mrow><mo>)</mo></mrow><mi>N</mi></mrow></math> on a frictionless surface. If the box was initially at rest, then-------------m is displacement along the x – axis after 10s.</strong></p>

ax=Fxm=202=10m/s2Sx=12ax t2=12×10×102

Ask & Answer Question

Overview Physics Laws of Motion Physics Class 11th

A boy pushes a box of mass 2kg with a force $\vec{F} = (20 \hat{i} + 10 \hat{j}) N$ on a frictionless surface. If the box was initially at rest, then-------------m is displacement along the x – axis after 10s.

2 Views | Posted a month ago

Asked by Shiksha User

1 Answer

Answered by

Payal Gupta | Contributor-Level 10

a month ago

$a_{x} = \frac{F_{x}}{m} = \frac{20}{2} = 10 m / s^{2}$

$S_{x} = \frac{1}{2} a_{x} t^{2} = \frac{1}{2} \times 10 \times 1 0^{2}$

0 Upvotes 0 Downvotes

Similar Questions for you

A mass of 1 kg is suspended by a thread. It is lifted up with an acceleration of 4.9 ms^–2, and then lowered with an acceleration of 4.9 ms^–2 . The ratio of tensions in first case to second cases is (g = 9.8 ms^–2 )

alok kumar singh

T₁ = m (g + a)

T₂ = m (g - a)

Ball released from height 10 m strikes ground and rebounds height 5 m. Find impulse imparted by ground while collision, given mass of ball is 100 g. (Take g = 10 m/s²)

alok kumar singh

$v_{1} = \sqrt[]{2 g 10}$

$v_{2} = \sqrt[]{2 g 5}$

$\vec{l} = Δ \vec{p}$

$l = 0.1 {\sqrt[]{2 g 10} + \sqrt[]{2 g 5}}$

$= 0.1 {10 \sqrt[]{2} + 10}$

$= (\sqrt[]{2} + 1) N s$

A ball is projected from ground with initial momentum p at an angle q. What is the magnitude of net change in linear momentum when it reaches at maximum height of journey?

alok kumar singh

When an elevator is moving downward with a increasing speed, the apparent weight of a body inside elevator

alok kumar singh

Apparent weight = mg – ma

An insect of mass m = 2 g is inside a vertical drum of radius 1 m that is rotating with an angular velocity of 10 rad/s. If the insect does not fall off then the minimum coefficient of friction is