The normal force is always vertical
Indicate whether the statement is true or false
FALSE
Physics & Space Science
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Which of the following substances has the greatest specific heat?
a. copper b. ice c. water d. steam e. Ice, water, and steam have equal specific heats since they are the same material, and this specific heat is greater than that of copper.
Physics & Space Science
An 80-km/h airplane flying in the same direction as a 10 km/h tail wind has a groundspeed of
A) 10 km/h. B) 70 km/h. C) 80 km/h. D) 90 km/h.
Physics & Space Science
A single slit of width a is illuminated by light of wavelength ?. If a = 4.3?, the maximum number of dark fringes on a semi-circular screen surrounding the slit is
a. 2. b. 4. c. 6. d. 8. e. 9.
Physics & Space Science
Besides Earth, which terrestrial planet also has seasons?
A. Mercury B. Mars C. Venus D. Seasons are unique to Earth.
Physics & Space Science