Answer: Yes, two vectors of equal magnitude that are pointing in opposite directions will sum to zero
Explanation: Two vectors of unequal magnitude can never sum to zero. If they point along the same line, since their magnitudes are different, the sum will not be zero.
Answer:
1148.37401575 kg/m³
Explanation:
Volume of liquid in pipet
25.4 mL
Mass of liquid

Density is given by

The density of the unknown liquid is 1148.37401575 kg/m³
Answer:
the answer is pneumonoultramicroscopicsilicovolcanoconiosis
Explanation:
Usain Bolt I think, sorry if it’s not right
The scientist who suggested that atoms contain a hard core containing most of the mass of an atom was Ernest Rutherford.