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Contact [7]
2 years ago
14

Speed of a train is 5m/s, find its value in km/hr.​

Physics
2 answers:
antiseptic1488 [7]2 years ago
4 0

Answer: 18km/hr

0.005km/s

1 sec --> 0.005

3600sec --> 0.005*3600 is 18

So, 18km/hr

Free_Kalibri [48]2 years ago
3 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Here's the solution ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:5 \: m \: s {}^{ - 1}

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:\dfrac{5}{1000} km \:  {s}^{ - 1}

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:\dfrac{5}{1000} \times 3600 \:  km \:  {h}^{ - 1}

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: \dfrac{5}{5}  \times 18 \: km \: h {}^{ - 1}

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: 18 \: km \: h {}^{ - 1}

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State any two physical properties for believing that aluminium is a metal.​
disa [49]

Answer:

amongst the properties that makes aluminium a metal is that it is malleable and ductile...and it has high melting and boiling points

I hope that helps

Explanation:

properties of metals include

1. high melting and boiling points

2 high densities

3 malleability and ductility

5 0
4 years ago
In 1958 a large earthquake in Alaska produced a tsunami. What was the approximate height of the tsunami?
lilavasa [31]
The approximate height of the tsunami in Alaska in 1958 is 1720ft
6 0
3 years ago
Read 2 more answers
Two objects are dropped from a bridge, an interval of 1.00 s apart. What is their separation 1.00 s after the second object is r
katen-ka-za [31]

Answer:

<em>171.5m</em>

Explanation:

The velocity of sound in water = 343m/s

Time taken = 1.00secs

using the formula to calculate the distance

2x = vt

x is the distance

v is the speed of sound

t is the time

x = vt/2

x = 343(1)/2

x = 171.5m

<em>hence their separation 1.00 s after the second object is released is 171.5m</em>

4 0
3 years ago
Which words best describe the archer's results?
Inessa [10]

The words best describe the archer's results are  The correct option is A.

<h3>What is accuracy?</h3>

When in an experiment, a value is measured 5 times, then if the values measured are same for most of the time or like three times out of five, it said to be accurate. The phenomenon is accuracy.

Precision is about comparing the values to each other then find them near to each other.

Given is an archer's targets on the target board.

Accuracy compares the experimental value to the theoretical value (desired target)

So, when all the values are close to each other but not nearest to the theoretical value, then it is said to be precise but not accurate.

Thus, the correct option is A.

Learn more about accuracy.

brainly.com/question/13099041

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7 0
2 years ago
True or false: Ultimate tensile strength increases as the thickness of a solid material sample increases.
Varvara68 [4.7K]

Answer:

False.

Explanation:

Tensile strength should remain constant, regardless of thickness. For larger cross sections, it can slightly increase because the atoms in the center become more constricted and therefore less responsive to the applied stress.

7 0
3 years ago
Read 2 more answers
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