You could more easily resolve a close double star with a blue filter than with a red one
Indicate whether the statement is true or false
TRUE
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Determine the missing product X in the reaction: n + U ? X + 2( e)
What will be an ideal response?
If the length of a wire increases, its resistance
a. increases b. decreases c. does not change d. will increase or decrease depending on the composition e. will change in a way that can not be determined
What powers the Sun?
A. chemical burning of hydrogen and oxygen B. the breakdown of neutrinos C. nuclear fission of helium into hydrogen D. nuclear fusion of hydrogen into helium E. friction as it moves through the gases of space
A 0.50-kg toy is attached to the end of a 1.0-m very light string. The toy is whirled in a horizontal circular path on a frictionless tabletop. If the maximum tension that the string can withstand without breaking is 350 N
What is the maximum speed the mass can have without breaking the string? A) 700 m/s B) 26 m/s C) 19 m/s D) 13 m/s