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joja [24]
3 years ago
12

An amusement park reports that the probability of a visitor riding its largest roller coaster is 30 percent, the probability of

a visitor riding its smallest roller coaster is 20 percent, and the probability of a visitor riding both roller coasters is 15 percent. Which equation can be used to calculate the probability of a visitor riding the largest or the smallest roller coaster? P(largest or smallest) = 0. 30 - 0. 20 P(largest or smallest) = 0. 30 0. 15 - 0. 20 P(largest or smallest) = 0. 30 0. 20 - 0. 15 P(largest or smallest) = 0. 30 0. 20.
SAT
1 answer:
Ostrovityanka [42]3 years ago
4 0

Answer:

sdfdf

Explanation:

dfdf

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Evaluate the numerical value of the vertical velocity of the car at time t=0. 25s using the expression from part d, where y0=0.
Alex73 [517]

The vertical velocity of the car at the given position and time is 4.905 m/s.

The given parameters:

  • Initial angular velocity, \omega_0 = 6.3 rad/s
  • Time of motion, t = 0.25 s
  • Vertical displacement, y = 0.75 m
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<h3>What is vertical velocity?</h3>
  • This is the linear velocity of an object in a vertical direction.

The angular velocity of an object in a circular motion is given as;

\omega_f = \omega _0 + \alpha t\\\\\omega _f = 6.3 \ +\  0.95 \times 0.25 \\\\\omega _f = 6.54 \ rad/s

The vertical velocity of the car at the given position and time is calculated as follows;

v = \omega r\\\\v = \omega_f y\\\\v = (6.54 \ rad/s)\times (0.75\ m)\\\\v = 4.905 \ m/s

Thus, the vertical velocity of the car at the given position and time is 4.905 m/s.

Learn more about vertical velocity here: brainly.com/question/7358392

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2 years ago
Which of the following is an extraneous solution of square root -3x-2=x+2
levacccp [35]
Answer:
d. x = 6


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First, You square both sides to cancel the square root. Leaving -3x -2 on one side and 2x + 4 on the other.


Second, combine like terms. Subtract -2x both sides and add 2 both sides.



Third, that will give you 3x - 2x = 4 + 2. Which gives you x = 6.
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