Physics, 09.09.2019 01:10 marcoantonioperezpan
You are approaching a stoplight moving with a velocity of +30.0 m/s. the light turns yellow, and you apply the brakes and skid to a stop. if your acceleration is -8.00 m/s2, then determine the displacement of the car during the skidding process. how long did it take for you to stop the car? (note: the direction of the velocity and the acceleration vectors are denoted by a + and a - sign.)
Answers: 3
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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
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An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
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The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.
Answers: 1
You are approaching a stoplight moving with a velocity of +30.0 m/s. the light turns yellow, and you...
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