Physics, 23.08.2019 19:30 ramberson101
Problem 1: you go outside on a hot, sunny summer day and you feel the warm sun on your skin. what causes this warmth? a. the sun heats the air directly around your skin. b. waves of light carry energy directly to your skin. c. light causes surface waves on your skin. d. water vapor in the air warms your skin. **not sure! you: )
Answers: 1
Physics, 21.06.2019 14:50
Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 66 miles per hour and 74 miles per hour. (assume the data set has a bell-shaped distribution.)
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Physics, 21.06.2019 21:20
Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
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Physics, 22.06.2019 02:00
How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?
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Physics, 22.06.2019 10:40
Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
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Problem 1: you go outside on a hot, sunny summer day and you feel the warm sun on your skin. what c...
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