Spectral lines are produced when an electron makes a transition from one energy state to another
Indicate whether the statement is true or false
TRUE
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Add and and express your answer in milligrams (mg)
A) 7.05 × 107 mg B) 7.05 × 104 mg C) 7.05 × 105 mg D) 7.05 × 106 mg
The trade wind belts are regions of generally
A) little rainfall. B) heavy rainfall. C) low temperatures. D) westerly winds.
A 3.0-kg mass sliding on a frictionless surface has a velocity of 5.0 m/s east when it undergoes a one-dimensional inelastic collision with a 2.0-kg mass that has an initial velocity of 2.0 m/s west. After the collision the 3.0-kg mass has a velocity of 1.0 m/s east. How much kinetic energy does the two-mass system lose during the collision?
a. 22 J b. 24 J c. 26 J d. 20 J e. 28 J
How might one connect four 10. volt batteries to create one equivalent battery having a potential of 20. volts?
What will be an ideal response?