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Hunter-Best [27]
2 years ago
14

Calculate the acceleration of the car in the image shown below

Mathematics
2 answers:
nlexa [21]2 years ago
4 0

Answer:

The car is going at 8.125 m/s²

Step-by-step explanation:

drek231 [11]2 years ago
3 0

Answer:

2.<u>2</u><u>6</u><u>m</u><u>/</u><u>s^</u><u>2</u>

Step-by-step explanation:

65km/hr = 18.05m/s

a =  \frac{v - u}{t}

v = 18.05m/s

u = 0 m/s

t = 8s

a =   \frac{18.05 - 0}{8}

a =  \frac{18.05}{8}

a = 2.26m/s^2

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A map of a park says its scale is 1 to 100. What does that mean?
Alex777 [14]

A scale is a term that refers to the <em>representative fraction</em> for comparing the <u>original</u> length and <u>image</u> length of a given <u>object</u>. It means implies that every 1 unit on the <u>drawing</u> is equal to <u>100</u> units on the <u>park</u>.

A <em>scale</em> is a term that can be referred to as the <em>representative fraction</em> that compares the <u>original</u> length and <u>image</u> length of a given <em>object</em>. Types of <u>scale</u> include enlarged scale, reduced scale, and real scale.

  • Enlarged scale is a <u>scale</u> that is used when the <u>size</u> of a given <em>object</em> is to be <em>increased</em>.
  • <em>Reduced scale</em> is used when the <u>size</u> of a given <u>object</u> is to be <em>decreased</em>.
  • <u>Real scale</u> implies the <em>exact size</em> of a given <u>object</u>.

<u>Scale</u> can be expressed as;

Scale = \frac{length on drawing}{original length}

Thus a <em>scale</em> has no unit.

Therefore, the given question <em>implies</em> that every 1 unit on the <u>drawing</u> is equal to 100 units on the <u>original</u> park. Thus it is a <em>reduced scale</em>.

For more clarifications on a scale drawing, visit: brainly.com/question/23209981

#SPJ1

6 0
1 year ago
Which pair of ratios forms a proportion?
tatiyna
B )5 15 ;9 27 its proportion
5 0
3 years ago
Elapsed time in minutes<br> Start time 6:00 pm<br> End time 7:15pm
Levart [38]
75 minutes have passed
3 0
3 years ago
What is the binomial expansion of (x + 2)^4?
Wittaler [7]
<span>x</span>² + 8<span>x</span>³ + 24<span>x</span>² + 32x + <span>16</span>
7 0
3 years ago
Read 2 more answers
Jonathan was laying on the ground and enjoying the shade but now the sun is shining
avanturin [10]

Answer:

38.5°

Step-by-step explanation:

Given that the height of the building is 8 yard and the distance between Jonathan and the building is 10 yards.

The sun is at the top of the building, let the distance between Jonathan laying on the ground and the top of the building be x. Using Pythagoras:

x² = 10² + 8²

x² = 100 + 64

x² = 164

x = √164 = 12.86 yards

For a triangle with sides a, b, c and their respective opposite angles A, B, and C. The sine rule is given as:

\frac{a}{sin(A)} =\frac{b}{sin(B)}=\frac{c}{sin(C)}

Let the angle that the sunlight hit the ground be y°. The andle between the building and the ground is 90°. Therefore using sine rule:

\frac{8}{sin(y)}=\frac{12.86}{sin(90)}\\\\sin(y)=\frac{8*sin(90)}{12.86}\\\\sin(y)=0.622\\\\y=sin^{-1}0.622\\\\y = 38.5^0

6 0
3 years ago
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