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JEE Main 2022 (Online) 25th June Evening Shift
Numerical
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-1
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For $$z = {a^2}{x^3}{y^{{1 \over 2}}}$$, where 'a' is a constant. If percentage error in measurement of 'x' and 'y' are 4% and 12% respectively, then the percentage error for 'z' will be _______________%.

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2
JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
Change Language

A curved in a level road has a radius 75 m. The maximum speed of a car turning this curved road can be 30 m/s without skidding. If radius of curved road is changed to 48 m and the coefficient of friction between the tyres and the road remains same, then maximum allowed speed would be ___________ m/s.

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3
JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
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A block of mass 200 g is kept stationary on a smooth inclined plane by applying a minimum horizontal force F = $$\sqrt{x}$$N as shown in figure.

JEE Main 2022 (Online) 25th June Evening Shift Physics - Laws of Motion Question 42 English

The value of x = _____________.

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4
JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
Change Language

Moment of Inertia (M.I.) of four bodies having same mass 'M' and radius '2R' are as follows:

I1 = M.I. of solid sphere about its diameter

I2 = M.I. of solid cylinder about its axis

I3 = M.I. of solid circular disc about its diameter

I4 = M.I. of thin circular ring about its diameter

If 2(I2 + I3) + I4 = x . I1, then the value of x will be __________.

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