Answer:
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Answer:
0.02
Explanation:
Force, where N is normal reaction and coefficient of kinetic friction is . Also, N is equivalent to mg ie N=mg where m is mass of an object and g is acceleration due to gravity. Making the subject of the formula then
Substituting F with 2 N, m with 10 kg and g with 9.81 then
Atomic disguise makes helium look like hydrogen. ... A helium atom consists of a nucleus containing two positively charged protons and two neutrons, encircled by two orbiting electrons which carry a negative charge. A hydrogen atom has just one proton and one electron
Answer:
Explanation:
in parallel combination equivalent resistence =
1/R=1/R1 + 1/R2
1/2=1/15+1/30
1/2=1*2+1*1/30
1/R=3/30
R*3=30*1
R=30/3
R=10 ohm