1
KCET 2025
MCQ (Single Correct Answer)
+1
-0
If ' $a$ ' and ' $b$ ' are the order and degree respectively of the differentiable equation. $\left(\frac{d^2 y}{d x^2}\right)^2+\left(\frac{d y}{d x}\right)^3+x^4=0$, then $a-b=$ $\qquad$
A
1
B
2
C
-1
D
0
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0
The distance of the point $\mathrm{P}(-3,4,5)$ from yz plane is
A
4 units
B
5 units
C
-3 units
D
3 units
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A wooden block of mass M lies on a rough floor. Another wooden block of the same mass is hanging from the point O through strings as shown in the figure. To achieve equilibrium, the co-efficient of static friction between the block on the floor with the floor itself is

KCET 2025 Physics - Laws of Motion Question 1 English
A
$\mu=\cot \theta$
B
$\mu=\sin \theta$
C
$\mu=\tan \theta$
D
$\mu=\cos \theta$
4
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A block of certain mass is placed on a rough floor. The coefficients of static and kinetic friction between the block and the floor are 0.4 and 0.25 respectively. A constant horizontal force $\mathrm{F}=20 \mathrm{~N}$ acts on it so that the velocity of the block varies with time according to the following graph. The mass of the block is nearly (Take $\mathrm{g} \simeq 10 \mathrm{~ms}^{-2}$ )

KCET 2025 Physics - Laws of Motion Question 2 English
A
4.4 kg
B
1.2 kg
C
1.0 kg
D
2.2 kg
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