1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A particle of mass 0.3 kg subjected to a force $$F=-kx$$ with $$k=15$$ $$N/m$$. What will be its initial acceleration if it is released from a point 20 cm away from the origin?
A
$$15\,\,\,\,m/{s^2}$$
B
$$3\,\,\,m/{s^2}$$
C
$$10\,\,\,m/{s^2}$$
D
$$5\,\,\,m/{s^2}$$
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Consider a car moving on a straight road with a speed of $$100$$ $$m/s$$. The distance at which car can be stopped is $$\left[ {{\mu _k} = 0.5} \right]$$
A
$$1000$$ $$m$$
B
$$800$$ $$m$$
C
$$400$$ $$m$$
D
$$100$$ $$m$$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A block is kept on a frictionless inclined surface with angle of inclination $$'\,\alpha \,'.$$ The incline is given an acceleration $$a$$ to keep the block stationary. Then $$a$$ is equal to
A
$$g$$ $$cosec$$ $$\alpha$$
B
$$g/tan$$ $$\alpha$$
C
$$g$$ $$tan$$ $$\alpha$$
D
$$g$$
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Two masses $${m_1} = 5kg$$ and $${m_2} = 4.8kg$$ tied to a string are hanging over a light frictionless pulley. What is the acceleration of the masses when left free to move? $$\left( {g = 9.8m/{s^2}} \right)$$
A
$$5\,\,m/{s^2}$$
B
$$9.8\,\,m/{s^2}$$
C
$$0.2\,\,m/{s^2}$$
D
$$4.8\,\,m/{s^2}$$
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