Which ball will bounce higher off a hard surface?

A) a common rubber ball
B) a steel ball
C) both the same


Answer: B

Physics & Space Science

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Suppose an astronomer proposed to build a major observatory on the campus of your school. Would it make a good observing site? Explain why or why not

What will be an ideal response?

Physics & Space Science

We want to determine experimentally the specific heat of a 3-gram iron ingot whose mass is known. The ingot is heated to 100°C and it is placed in a 200-gram sample of water whose initial temperature is 20°C. We would expect the final temperature of the water to be around

1.100°C. 2.70°C. 3.40°C. 4.20°C.

Physics & Space Science

The speed of a 10-kHz sound wave in seawater is approximately 1500 m/s. What is its wavelength in sea water?

A. 5.0 cm B. 10 cm C. 15 cm D. 20 cm E. 29 cm

Physics & Space Science

A laser emits monochromatic and coherent light

a. True b. False Indicate whether the statement is true or false

Physics & Space Science