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Physics, 22.06.2019 16:00
What is friction? how does it affect the motion of an object?
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Physics, 22.06.2019 23:00
The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?
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Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 Γ 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
Answers: 2
Physics, 23.06.2019 09:30
Why is the basic problem of economic,scarcity, a universal problem?
Answers: 2
A boy and his skateboard have a combined mass of 65 kg. What is the speed of the boy and skateboard...
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