1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

At any instant of time $$t$$, the displacement of any particle is given by $$2 t-1$$ ($$\mathrm{SI}$$ unit) under the influence of force of $$5 \mathrm{~N}$$. The value of instantaneous power is (in $$\mathrm{SI}$$ unit):

A
10
B
5
C
7
D
6
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

A particle moves with a velocity $$(5 \hat{i}-3 \hat{j}+6 \hat{k}) ~\mathrm{ms}^{-1}$$ horizontally under the action of constant force $$(10 \hat{\mathrm{i}}+10 \hat{\mathrm{j}}+20 \hat{\mathrm{k}}) \mathrm{N}$$. The instantaneous power supplied to the particle is :

A
$$200 \mathrm{~W}$$
B
Zero
C
$$100 \mathrm{~W}$$
D
$$140 \mathrm{~W}$$
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The potential energy of a long spring when stretched by $$2 \mathrm{~cm}$$ is U. If the spring is stretched by $$8 \mathrm{~cm}$$, potential energy stored in it will be :

A
4U
B
8U
C
16U
D
2U
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

The restoring force of a spring with a block attached to the free end of the spring is represented by

A
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 8 English Option 1
B
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 8 English Option 2
C
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 8 English Option 3
D
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 8 English Option 4
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