Physics
Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from

northeast
east
west
southeast

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Physics
Ice is packed in saw dust because

Saw dust is poor conductor of heat.
Saw dust does not stick to the ice.
Saw dust is a good conductor of heat.
Saw dust will not get melted easily.

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Physics
What is the direction of torque?

Opposite to the direction of applied force
Perpendicular to the direction of applied force
Parallel to the radius
Same as the direction of applied force

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