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Physics Chapter 1 Question and answers rated A+

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Physics Chapter 1 Question and answers rated A+ Physics Chapter 1 Units - correct answer systems giving context to numbers Length - correct answer meter (m) Mass - correct answer kilogram (kg) Force - correct answer newton (N) Time - correct answer second (s) Work - c...

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  • October 19, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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Physics Chapter 1
Units - correct answer ✔systems giving context to numbers


Length - correct answer ✔meter (m)


Mass - correct answer ✔kilogram (kg)


Force - correct answer ✔newton (N)


Time - correct answer ✔second (s)


Work - correct answer ✔joule (J)


Energy - correct answer ✔joule (J)


Power - correct answer ✔watt (W)


giga - correct answer ✔(G or B), 10^9


mega - correct answer ✔(M), 10^6


kilo - correct answer ✔(k), 10^3


centi - correct answer ✔(c), 10^-2

, milli - correct answer ✔(m), 10^-3


micro - correct answer ✔(µ), 10^-6


nano - correct answer ✔(n), 10^-9


pico - correct answer ✔(p), 10^-12


Scientific Notation - correct answer ✔a method of writing very large or very
small numbers by using powers of ten;
0.0000000004 = 4x 10^-10 or
500,000,000,000,000 = 5 x 10^14


Significand - correct answer ✔the number before the power of 10 in scientific
notation, such as the number 5 in the scientific notation 5 x 10^14


Scientific Notation Multiplications - correct answer ✔multiply the significands
and then add the exponents;
(4 x 10^-10)(5 x 10^14) = 2 x 10^5
- multiplying 4 by 5 = 20 (converted to 2)
- adding -10 and 14 = 4


Scientific Notation Divisions - correct answer ✔divide the significand in the
numerator (top) by the significand in the denominator (bottom) and then
subtract the exponent in the denominator from the exponent in the numerator;
(4 x 10^-10) / (5 x 10^14) = 8 x 10^-25
- dividing 4 by 5 = 0.8 (convert to 8)
- subtracting 14 from -10 = -24

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