Find out the velocity with which camera hits ground

Reference no: EM1318880

Q1. A robot probe drops a camera off the rim of a 265 m high cliff on Mars, where free-fall acceleration is -3.70m/s2.

Find out the velocity with which camera hits ground.

Q2. A calorimeter contains 2000 grams of water at 0oc. a jet of stream at 100oc is passed through the water. What is the temperature of the water when 100 grams of steam have condensed in it?

Q3. Consider a civilization broadcasting a signal with a power of 1.5×10^4 watts. The Arecibo radio telescope, which is about 300 meters in diameter, might detect this signal if it is coming from as far away as 122 light years. Presume instead that the signal is being broadcast from the other side of the Milky Way Galaxy, about 70000 light years away. How large a radio telescope would we require to detect this signal?

Reference no: EM1318880

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