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Answer the following question.
Derive the formula for the range and maximum height achieved by a projectile thrown from the origin with initial velocity `vec"u"` at an angle θ to the horizontal.
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Show that the path of a projectile is a parabola.
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Solve the following problem.
A man throws a ball to maximum horizontal distance of 80 m. Calculate the maximum height reached.
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Solve the following problem.
A particle is projected with speed v0 at angle θ to the horizontal on an inclined surface making an angle Φ (Φ < θ) to the horizontal. Find the range of the projectile along the inclined surface.
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Solve the following problem.
A train is moving eastward at 10 m/sec. A waiter is walking eastward at 1.2m/sec; and a fly is charging toward the north across the waiter’s tray at 2 m/s. What is the velocity of the fly relative to Earth?
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Answer in one sentence.
Why bridges are unsafe after very long use?
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Answer in one sentence.
What is an elastomer?
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Answer in one sentence.
What do you mean by elastic hysteresis?
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Answer in short.
What do you mean by brittle substance? Give any two examples.
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Long answer type question.
Define stress and strain. What are their different types?
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Long answer type question.
Draw a labelled graph of tensile stress against tensile strain for a metal wire up to the breaking point. In this graph show the region in which Hooke’s law is obeyed.
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Answer in one sentence:
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence:
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence:
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence:
What is an elastomer?
Concept: undefined >> undefined
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence:
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence.
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence.
What is an elastomer?
Concept: undefined >> undefined
Answer in one sentence:
What is an elastomer?
Concept: undefined >> undefined
