Write TRUE if the statement is correct and FALSE if not.
1. The moon's gravity pulls on the Earth and makes the tides rise and fall every day-
2. The astronauts appear to float because of weightlessness inside the spaceship.
3. Friction is the reason why you can hold a notebook and why you do not slip when
4. Lubricating a surface with oil is another way to reduce friction.
5. Rollers, wheels, and bearings increase friction
walking
Answers: 1
Physics, 21.06.2019 22:00
Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning
Answers: 2
Physics, 22.06.2019 03:00
The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.
Answers: 2
Physics, 22.06.2019 05:40
An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
Answers: 1
Write TRUE if the statement is correct and FALSE if not.
1. The moon's gravity pulls on the Earth a...
Biology, 02.03.2020 20:32
Business, 02.03.2020 20:32
English, 02.03.2020 20:34
Mathematics, 02.03.2020 20:35