1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
tino4ka555 [31]
1 year ago
12

A person crosses a 600m long street in 5 minutes what is his speed in kilometre per hour.

Mathematics
1 answer:
bekas [8.4K]1 year ago
8 0

This is an exercise in kinematics, on Uniform Rectilinear Motion.

To start solving this exercise, we obtain the data:

Distance (d) = 600 m

Time (T) = 5 minutes = 300 sec

Speed (V) = ?

<em>Since it asks us for the speed in </em><em>kilometers per hour (Km/h)</em><em>, we perform a time conversion, from minutes to seconds. Taking into account that </em><em>1 minute = 60 seconds.</em>

<h3>5 minutes * (60 sec/1 minutes) = 300 sec</h3>

To calculate the speed we apply the following formula:

<h3> V = D/T</h3>

We substitute our data in the given formula and solve:

<h3>V = 600 m / 300 sec</h3>

V = 2 m/s

<em>But since it asks us for the speed in km/h, we carry out a conversion, taking into account that </em><em>1 km = 1000 meters</em><em> and </em><em>3600 seconds = 1 hour</em><em>, so:</em>

<h3>2 m/s * (1 km/1000 m)*(3600 s/1 hr) = 7.20 km/h</h3>

Answer: <u><em>The speed of the person is 7.20 km/h.</em></u>

<u><em /></u>

<h2>Skandar</h2>
You might be interested in
28 32 21 22<br> The mean is 24.4 what is the 5th number
Archy [21]
The awnser has to be 26??
6 0
3 years ago
Read 2 more answers
Which gives the prices in order, from least to greatest unit rate? Price B, Price A, Price C Price C, Price B, Price A Price C,
MArishka [77]

Answer:

Price B, Price A, Price C

Step-by-step explanation:

Look at the table showing different prices for oranges.

Prices for Oranges

Price A

$2.25 for 6

Price B

$1.30 for 4

Price C

$0.97 for 2

Which gives the prices in order, from least to greatest unit rate?

Price B, Price A, Price C

Price C, Price B, Price A

Price C, Price A, Price B

Price B, Price C, Price A

Price A

$2.25 for 6

Price per orange = $2.25 / 6

= $0.375

Price B

$1.30 for 4

Price per orange = $1.30 / 4

= $0.325

Price C

$0.97 for 2

Price per orange = $0.97 / 2

= $0.485

From least to greatest unit rate

Price B , price A, price C

7 0
3 years ago
Read 2 more answers
I need help!! Find the area of each shaded segment. Round your answer to the nearest 10th
guajiro [1.7K]

Given:

θ = 60°

Radius = 8 in

To find:

The area of the shaded segment.

Solution:

Vertically opposite angles are congruent.

Angle for the shaded segment = 60°

<u>Area of the sector:</u>

$A=\pi r^2\times \frac{\theta}{360^\circ}

$A=3.14 \times 8^2\times \frac{60^\circ}{360^\circ}

A = 33.5 in²

Area of the sector = 33.5 in²

<u>Area of triangle:</u>

$A=\frac{1}{2} bh

$A=\frac{1}{2} \times 8\times 8

A = 32 in²

Area of the triangle = 32 in²

Area of segment = Area of sector - Area of triangle

                            = 33.5 in² - 32 in²

                            = 1.5 in²

The area of the shaded segment is 1.5 square inches.

8 0
3 years ago
Express 356 miles in 8 hours as a unit rate
natulia [17]
356/8 = 44.5

44.5 miles/hour
44.5 miles per hour
3 0
3 years ago
Read 2 more answers
Let p denote the proportion of students at a particular university that use the fitness center on campus on a regular basis. For
9966 [12]

Answer:

a) P-value = 0.0968

b) P-value = 0.2207

c) P-value = 0.0239

d) P-value = 0.0040

e) P-value = 0.5636

Step-by-step explanation:

As the hypothesis are defined with a ">" sign, instead of an "≠", the test is right-tailed.

For this type of test, the P-value is defined as:

P-value=P(z>z^*)

being z* the value for each test statistic.

The probability P is calculated from the standard normal distribution.

Then, we can calculate for each case:

(a) 1.30

P-value=P(z>1.30) = 0.0968

(b) 0.77

P-value=P(z>0.77) = 0.2207

(c) 1.98

P-value=P(z>1.98) = 0.0239

(d) 2.65

P-value=P(z>2.65) = 0.0040

(e) −0.16

P-value=P(z>-0.16) = 0.5636

7 0
3 years ago
Other questions:
  • Can someone explain the Pythagorean theorem to me, please?
    8·1 answer
  • 35 points. need help asap
    5·1 answer
  • What's the answer someone pleaseeeee tell me
    9·1 answer
  • Calculate the slope of a line given the points (10,34)&amp;(15,49}
    6·1 answer
  • Write the slope-intercept form equation of the line that passes through (1,-1) and (2, 2).​
    8·1 answer
  • A segment is dilated by a factor of 2.5 and the resulting segment is parallel to the original segment.
    6·1 answer
  • A particular professor is known for his arbitrary grading policies. eachpaper receives a grade from the set{a, a-, b+, b, b-, c+
    7·1 answer
  • What is 12+45(3-8) because I’m confused plz help
    7·2 answers
  • Plz explain how do you know
    14·2 answers
  • PLEASE HELP THIS IS DUE AT 11!!!!!!!!!!! (-3v+1)+7-(6v+6)=-37<br> A 4<br> B -2<br> C 2<br> D 0
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!