Shawn is traveling away from you at a speed of 120 km/hr. He throws a baseball that, according to him, is going at 100 km/hr in your direction. What do you see the ball doing?
A) You see the ball traveling away from you at 120 km/hr.
B) You see the ball traveling away from you at 100 km/hr.
C) You see the ball traveling away from you at 220 km/hr.
D) You see the ball traveling toward you at 20 km/hr.
E) You see the ball traveling away from you at 20 km/hr.
E
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Most of the state of Nevada is in the Basin and Range Province. The predominant active fault for this region is
A) thrust faulting. B) reverse faulting. C) normal faulting. D) none of the above
What was Eratosthenes's mathematical contribution to the history of astronomy, even though it was incorrect? a. He calculated the diameter of Earth by what he learned from travelers' itineraries
b. He estimated Earth's revolution rate by measuring the length of shadows casted on the surface. c. He determined that all the planets orbited Earth every 24 hrs. d. He attempted to calculate Earth's radius by utilizing the position of sunlight. e. He believed all of nature was underlain by musical principles.
Explain why the current spectral classification letters are all jumbled and not in alphabetical order
What will be an ideal response?
If a person in Alaska were locked out of his house on a day when the temperature outside was ?40°C, his thick clothing would mostly reduce the loss of thermal energy by
a. conduction. b. convection. c. radiation. d. all of the above. e. convection and radiation.