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DerKrebs [107]
3 years ago
6

What is the biggest challenge to wind energy?

Physics
2 answers:
raketka [301]3 years ago
7 0

Answer:

C. Wind is intermittent

Explanation:

irinina [24]3 years ago
6 0
C. Wind is intermittent
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(ii) two locomotives approach each other on parallel tracks. each has a speed of 155 km/h with respect to the ground. if they ar
IgorLugansk [536]
You have to find an equation that would relate the two motions of the locomotives. When they meet at a certain point after being 8.5 km apart initially, then that means that their individual distances traveled is equal to 8.5 The solution is as follows:

Distance = speed*time
Total distace = 8.5 = 155t + 155t
Solving for t,
t = 0.027 hour or 98.71 seconds
4 0
4 years ago
How is fabric made from fur different from fabric made of hair?
Dmitry [639]

Answer:

The principal hair fiber used to produce textile fabrics is sheep's wool. In wild sheep, the wool is a short, soft underlayer protected by longer, coarser hair. ... Fur fibers from animals such as mink and beavers are sometimes blended with other hairs to spin luxury yarns but are most often found as fur pelts.

3 0
3 years ago
An experimenter using a gas thermometer found the pressure at the triple point of water (0.01°C) to be 4.80 × 10⁴ Pa and the pre
irakobra [83]

Answer:

T = -282.33^o C

Explanation:

As we know that the relation between temperature and pressure is a linear relation

so we have

P - P_o = \frac{P_1 - P_o}{T_1 - T_o} (T - T_o)

here we know that

P_1 = 6.50 \times 10^4

P_o = 4.80 \times 10^4

T_1 = 100^o C

T_o = 0.01^o C

now we will have

P - 4.80 \times 10^4 = \frac{(6.50 - 4.80)\times 10^4}{100 - 0.01}(T - 0.01)

P = 4.80 \times 10^4 + 170.02(T - 0.01)

now if P = 0

then we will have

0 = 4.80 \times 10^4 + 170.02(T - 0.01)

T = -282.33^o C

7 0
3 years ago
Starting from rest and moving in a straight line, a cheetah
UNO [17]

The average acceleration of the cheetah is 7.75 m/s²

The given parameters;

velocity of the cheetah, v = 31 m/s

time of  motion, t = 4 seconds

The average acceleration of the cheetah is calculated as follows;

Average \ acceleration = \frac{\Delta velocity}{\Delta time } \\\\Average \ acceleration = \frac{v-u}{t}

where;

v is the final velocity

u is the initial velocity

t is the time of motion

Assuming the cheetah started from rest, the initial velocity, u = 0

The average acceleration is calculated as follows;

Average \ acceleration = \frac{v-u}{t} = \frac{31-0}{4} = 7.75 \ m/s^2

Thus, the average acceleration of the cheetah is 7.75 m/s²

Learn more here: brainly.com/question/17280180

3 0
3 years ago
A snail is traveling from garden a to garden b which are 2 meters apart. It takes 4 hours for the snail to make it to garden b.
lys-0071 [83]

The snail was going at 0.5

7 0
3 years ago
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