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Q.A famous zoologist was hunting antelope for a zoo with a dart gun that fired darts with a range of 100 m at a speed of 25 m/s. If he shot a dart at an antelope at rest 50 m away, and the antelope instantly began to accelerate at a constant rate away from the dart, running out of range of the dart just in time. Find the minimum acceleration of the antelope.

Q. A 61 g bullet traveling at 280 m/s penetrates a block of ice at 0 C and comes to rest within the ice.

Assuming that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision?

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  • Category:- Physics
  • Reference No.:- M9283720

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