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Alexxandr [17]
2 years ago
10

I need help please with this math problem

Mathematics
1 answer:
Arada [10]2 years ago
8 0
When the dilation is centered on the origin, you can multiply each of the individual coordinates by the scale factor.

All the coordinates are ±5 and the scale factor is 1/5. Multiplying those gives ±1. The only selection with all coordinates being ±1 is
.. Selection A.

You can check to see if the signs agree in detail. (They do.)
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How many numbers greater than 90 and less than 100 are prime numbers?
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5. A ball is thrown straight up leaving the player's hands at at 7.5 m/s. If air resistance is ignored, how high can the ball tr
aleksley [76]

The maximum height reached is 2.87 meters

<h3>What is maximum height?</h3>

The maximum height of an object is the highest vertical position along the trajectory of the object.

The given parameters are:

  • u = 7.5ms^{-1} --- the initial velocity
  • v = 0ms^{-1} --- the final velocity
  • a =-g --- the acceleration

To calculate the height (s) of the ball, we make use of the following equation of motion:

v^2 = u^2 + 2as

Substitute known values

0^2 = 7.5^2 - 2gs

0 = 56.25 - 2gs

Collect like terms

2gs = 56.25

Substitute 9.8 for g

2 \times 9.8 s = 56.25

19.6 s = 56.25

Divide both sides by 19.6

s = 2.87

Hence, the maximum height reached is 2.87 meters

Read more about acceleration and maximum height at:

brainly.com/question/14638187

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