If you were caught in freezing weather with only a candle for warmth, you would be warmer in

A) an igloo.
B) a tent.
C) a wooden house.


Answer: A

Physics & Space Science

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Describe interstellar reddening

What will be an ideal response?

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A boy throws a rock with an initial velocity of at 30.0° above the horizontal. If air resistance is negligible, how long does it take for the rock to reach the maximum height of its trajectory?

A) 0.110 s B) 0.194 s C) 0.215 s D) 0.303 s

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High-speed stroboscopic photographs show that the head of a golf club of mass 200 grams is traveling at 55.0 m/s just before it strikes a 46.0-gram golf ball at rest on a tee. After the collision, the clubhead travels (in the same direction) at 40.0 m/s. Find the speed of the golf ball just after impact

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Two identical cars are traveling around the same curve on a highway. One of them is moving at 60 mph, and the other is moving at 30 mph. The centripetal force acting on the car moving at 60 mph is __________ the value of the centripetal force acting on the car moving at 30 mph

a. one quarter b. one half c. the same as d. twice e. four times

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