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PHY 265 EXAM 1 (LATEST) QUESTIONS WITH ACTUAL ANSWERS!!
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PHY 265 EXAM 1 (LATEST) QUESTIONS WITH ACTUAL ANSWERS!!
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PHY 265 EXAM 1(LATEST) QUESTIONS
WITH ACTUAL
ANSWERS!!
PHY 265
Evatee 10/16/24 PHY 265
,PHY 265 EXAM 1 (LATEST) QUESTIONS WITH
ACTUAL ANSWERS!!
What is the Physics Primer?
a. A tutorial of the most important physics concepts covered in introductory
physics courses.
b. A detailed explanation of all of the mathematics you will use in your
introcuctory physics course.
c. A list of the most important formulas used in introductory physics courses.
d. A set of mathematics topics that are relevant to introductory physics
courses. Answer - d. A set of mathematics topics that are relevant to
introductory physics courses.
Determine the values of m and n when the following mass of the Earth is
written in scientific notation: 5,970,000,000,000,000,000,000,000 kg Answer -
m, n = 5.97, 24
Determine the values of m and n when the following average distance from the
Sun to the Earth is written in scientific notation: 150,000,000,000 mm. Answer
- m,n = 1.5, 11
Determine the values of m and n when the following charge of a proton is
written in scientific notation: 0.000000000000000000160 C. Answer - m,n =
1.60, -19
Determine the values of m and n when the following average magnetic field
strength of the Earth is written in scientific notation: 0.0000451 T Answer - m,
n = 4.51, -5
, The mass of a high speed train is 4.5×105 kg, and it is traveling forward at a
velocity of 8.3×101 m/s. Given that momentum equals mass times velocity,
determine the values of mm and n when the momentum of the train (in
kg⋅m/s) is written in scientific notation. Answer - m,n = 3.7,7
Given that average speed is distance traveled divided by time, determine the
values of m and n when the time it takes a beam of light to get from the Sun to
the Earth (in s) is written in scientific notation. Note: the speed of light is
approximately 3.0×108 m/s. Answer - m,n = 5.0, 2
In an experiment you are performing, your lab partner has measured the
distance a cart has traveled: 28.4inch. You need the distance in units of
centimeter and you know the unit equality 1inch=2.54centimeter. By which
conversion factor will you multiply 28.4inch in order to perform the unit
conversion?
a. 2.54 centimeter/ 1 inch
b. 2.54 inch / 1 centimeter
c. 1 inch / 2.54 centimeter
d. 1 centimeter/ 2.54 inch Answer - a. 2.54 centimeter/ 1 inch
You would like to know whether silicon will float in mercury and you know that
can determine this based on their densities. Unfortunately, you have the
density of mercury in units of kilogram/meter^3 and the density of silicon in
other units: 2.33 gram/ centimeter^3. You decide to convert the density of
silicon into units of kilogram/ meter^3 to perform the comparison. By which
combination of conversion factors will you multiply 2.33 gram/ centimeter^3 to
perform the unit conversion? Answer - 1 kilogram/ 10^3 gram × 1 centimeter/
10^−2meter × 1 centimeter/ 10^−2 meter × 1 centimeter 10^−2 meter
You have negotiated with the Omicronians for a base on the planet Omicron
Persei 7. The architects working with you to plan the base need to know the
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