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3 years ago

Compared with those who live in the lowlands, people who live in the Southeast highlands experience

Physics

1 answer:

Alisiya [41]3 years ago

6 0

Answer:

The territory of Scotland was divided into two parts -- the highlands and the lowlands.

Explanation:

The people living in places of high altitudes are called highlanders. These high altitude places are called high lands and places with low elevations or altitudes are called the low lands. There are many differences between the two places and people experiences different difficulties in these places.

Some of the differences are :

The life of the people living in high lands are much more tougher than those living in the low lands. The highlanders have to work more hard than lowlanders.

The agricultural activities are more flourished in the low lands than in the high lands.

The low lands are more populated and highly industrialized than the high lands. Iron and steel industry, metal working industry and agriculture are some of the main industries of lowlands. They are the land of the Scottish nation.

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A light-rail commuter train accelerates at a rate of 1.35 m/s2. How long does it take to reach its top speed of 80.0 km/h, start

Len [333]

Answer:

a) 16.46 seconds.

b) 13.46 seconds

c) 2.67 m/s²

Explanation:

Acceleration = a = 1.35 m/s²

Final velocity = v = 80 km/h = $80\frac{1000}{3600}=22.22\ m/s$

Initial velocity = u = 0

Equation of motion

$v=u+at\\\Rightarrow 22.22=0+1.35t\\\Rightarrow t=\frac{22.22}{1.35}=16.46\ s$

Time taken to accelerate to top speed is 16.46 seconds.

Acceleration = a = -1.65 m/s²

Initial velocity = u = 80 km/h= $80\frac{1000}{3600}=22.22\ m/s$

Final velocity = v = 0

$v=u+at\\\Rightarrow 0=22.22-1.65t\\\Rightarrow t=\frac{22.22}{1.65}=13.46\ s$

Time taken to stop the train from top speed is 13.46 seconds

Initial velocity = u = 80 km/h= $80\frac{1000}{3600}=22.22\ m/s$

Time taken = t = 8.3 s

Final velocity = v = 0

$v=u+at\\\Rightarrow 0=22.22+a8.3\\\Rightarrow a=\frac{-22.22}{8.3}=-2.67\ m/s^2$

Emergency deceleration is 2.67 m/s²

8 0

4 years ago

How many sig figs are in 0.32

jarptica [38.1K]

2 significant figures

5 0

3 years ago

How much Power is needed to lift a 200 N block

vova2212 [387]

Answer:

10 W

Explanation:

P = F x v

F = 200N

v = x2 - x1 / t

= 6 - 3 / 60

= 3 / 60

= 1 / 20

= 0.05 m/s

P = 200 x 1/20

= 10 W

4 0

2 years ago

What is the mass of an object that experiences an acceleration of 5m/s^2 when a force of 500N acts on it?

earnstyle [38]

Data;
m (mass) = ?
a (acceleration) = 5 m/s²
F (force) = 500 N

Formula:
F = m * a

Solving:
$F = m*a$
$500 = m*5$
$500 = 5m$
$5m = 500$
$m = \frac{500}{5}$
$\boxed{\boxed{m = 100\:Kg}}$

Answer:
<span>The mass of an object you are experimenting with is 100 kg</span>

3 0

3 years ago

What force will a proton experience in a uniform electric field whose strength is 2.00 x 10^5 Newtons per Coulomb? *

Alenkasestr [34]

Answer: F =3.218 * 10^-11 N

Explanation: The relationship between electric field intensity and force is given by

F = Eq.

F= Force on electron

E = strength of electric field = 2*10^5

q= magnitude of proton charge = 1.609 * 10^-19c

F = 2* 10^5 * 1 609 * 10^-16

F = 3.218 * 10^-11 N

7 0

3 years ago

Compared with those who live in the lowlands, people who live in the Southeast highlands experience​

Compared with those who live in the lowlands, people who live in the Southeast highlands experience