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julsineya [31]
3 years ago
8

Olivia kicks a soccer ball from the ground with an initial vertical velocity of 15 m/s. Which equation can be used to find the t

ime, t, it takes for the ball to reach the ground?
Mathematics
1 answer:
babunello [35]3 years ago
7 0

Answer:

The answer is below

Step-by-step explanation:

Motion shows the change in the position of an object over time. This change is showed in terms of displacement, distance, velocity, acceleration, time and speed. The equations of motion shows this relationship.

Since the soccer ball is kicked up with an initial velocity (u) of 15 m/s, the acceleration due to gravity (g) acts on the ball. If the ball is kicked at an angle Θ, the time t it takes for the ball to reach the ground is:

t=\frac{2u*sin(\theta)}{g} \\\\t=\frac{2(15)*sin(\theta)}{g} \\\\t=\frac{30*sin(\theta)}{g} \\\\If\ it\ is\ kicked\ vertical\ then\ \theta=90^0,hence:\\\\t=\frac{30*sin(90)}{g}= \frac{30}{g }

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Question 6(Multiple Choice Worth 5 points)
ankoles [38]

Answer:

Product 3

Step-by-step explanation:

You can easily find it out based on the last column (Year  3)... where product 3 has the highest market value.

This is very logical due to exponential nature of the price evolution function... it might start lower than most of the other products, but it will grow at a much faster rate... so much that in second year, it's already tie for the most market value.

In year 3, the difference is obvious and it would be even bigger in the following years.

4 0
4 years ago
Write each number in standard notation 2.7 time 10 to the 8 please explain step by step
Sergeu [11.5K]

Answer:

270,000,000

Step-by-step explanation:

2.7 time 10 to the 8 means 2.7*10⁸ in scientific notation

<u>To put it in standard notation </u>

Multiply 2.7 by 10⁸, which is 100,000,000

  • 2.7*100,000,000 = 270,000,000
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3 years ago
One pound of ground beef costs $3.99. Five pounds of ground beef costs $17.45. How much cheaper is the ground beef per pound if
xxTIMURxx [149]

Step-by-step explanation:

Ok, so, to find this, remember- to find the true price of an item, remember the equation (PRICE DIVIDED BY QUANTITY), this will give you true price. So, for the individual, its $3.99 for one pound. In bulk, to find the true price, do price divided by quantity. $17.45/5= 3.45. So thats the better deal. Anyways, to find out how much cheaper it is, subtract 3.45 from 3.99. The answer is .54, however, since you need to round to the nearest tenth place, the answer would be .50

5 0
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PilotLPTM [1.2K]

Answer:

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Step-by-step explanation:

x^2-4x

Take the coefficient of the x term

-4

Divide it by 2

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Square it

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This is what we add to each side

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3 0
3 years ago
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Mandarinka [93]

Answer:

A is the answer. 2(n+2)

5 0
3 years ago
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