Physics, 14.09.2019 01:30 joneil1952
Consider the following statements about newton's 2nd law in general. select all of the statements that are true. note, there may be more than one. pay attention to synonyms: velocity and change in position are the same thing.
1. a net force causes velocity to change
2. if an object has a velocity, then we can conclude that there is a net force on the object
3. accelerations are caused by the presence of a net force
Answers: 1
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The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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Physics, 22.06.2019 09:30, sdolina5
This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer
Answers: 2
Physics, 22.06.2019 10:00, lorelei7668
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Consider the following statements about newton's 2nd law in general. select all of the statements th...
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