JEE Main 2022 · 25 Jun · Shift 1 · Physics Q60

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PhysicsInteger+4 / -1Question 60 of 90

A force on an object of mass 100 g is $\left(10\hat i+5\hat j\right)$ N. The position of that object at t = 2 s is $\left(a\hat i+b\hat j\right)$ m after starting from rest. The value of $\dfrac ab$ will be ______.

Your answer

Answer and worked solution

Official answer: 2

From rest $\vec r=\frac12\vec at^2$ , so $\dfrac ab=\dfrac{a_x}{a_y}=\dfrac{F_x}{F_y}=\dfrac{10}5=2$ .

Answer: 2

Topics:Newton's laws Motion in a plane

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JEE Main 2022 · 25 Jun · Shift 1, Physics question 60