TG EAPCET 2024 (Online) 9th May Morning Shift | Work, Energy and Power Question 8 | Physics

A block of mass 0.5 kg is at rest on a horizontal table. The coefficient of kinetic friction between the table and the block is 0.2 . If a horizontal force of 5 N is applied on the block, the kinetic energy of the block in a time of 4 s is (Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

64 J

128 J

256 J

512 J

TG EAPCET 2024 (Online) 9th May Morning Shift

MCQ (Single Correct Answer)

-0

The work done in increasing the diameter of a soap bubble from 2 cm to 4 cm is (Surface tension of soap solution $=3.5 \times 10^{-2} \mathrm{Nm}^{-1}$ )

$528 \times 10^{-6} \mathrm{~J}$

$264 \times 10^{-6} \mathrm{~J}$

$132 \times 10^{-6} \mathrm{~J}$

$178 \times 10^{-6} \mathrm{~J}$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

While a person climbs stairs, the gravitational potential energy of the person increases. The source of this energy is

work done by normal force from the steps

work done by frictional force from the steps

work done by air resistance

work done by internal forces within the person's body

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

Two bodies of masses of 1 g and 4 g are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

$4: 1$

$\sqrt{2}: 1$

$1: 2$

$1: 16$

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