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NeTakaya
4 years ago
7

Why does the desert sand, next to a lake, heat up quicker than the water in the lakes​

Physics
1 answer:
ICE Princess25 [194]4 years ago
4 0

Water is a slow conductor of heat. Land absorbs heat quicker, so the sand next to the lake will heat up quicker than water.

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Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. Which of the following best
Marizza181 [45]

As we know that in cellular phone all the signals are transmitted by antenna in the form of electromagnetic waves

All these electromagnetic waves are transmitted through the phones and then received as a signal to the receiver of another phone

These signals are then processed and converted into sound which is produced by the phone

So here correct answer will be

<em>C. The cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound.</em>

7 0
3 years ago
Read 2 more answers
a horizontal clothesline is tied between 2 poles, 10 meters apart. when a mass of 1 kilograms is tied to the middle of the cloth
natali 33 [55]

By analyzing the vector, the clothesline tension is 25 N.

We need to know about vectors to solve this problem. Force is included in vectors that have magnitude and direction. It can be written as

F = (Fx i + Fy j) N

where F is the force vector, Fx is the x-axis component and Fy is the y-axis component.

From the question we know that :

x = 10 m

(midpoint = 5m)

y = 1 m

m = 1 kg

Find the weight

W = m . g

W = 1 x 10

W = 10N

There are two y-axis components of the tension that hold the clothes. Because of static conditions, we can write

∑Fy = 0

Ty + Ty - W = 0

2Ty - 10 = 0

2Tsinθ - 10 = 0

Find sinθ

sinθ = y/x

sinθ = 1/5

Substitute the sinθ

2Tsinθ - 10 = 0

2T(1/5) - 10 = 0

2T/5 = 10

T = 25 N

Hence, the clothesline tension is 25 N.

For more about vectors at: brainly.com/question/25811261

#SPJ4

6 0
1 year ago
Objects that are falling toward Earth in free fall move ?
umka21 [38]
The object will fall toward Earth faster. bcz, the Earth got gravity
5 0
3 years ago
16g 2g/cm3 what is the Volume
lord [1]

Answer:

V =  1.25E-7 cubic meter

7 0
3 years ago
Two forces Upper FSubscript Upper A Baseline Overscript right-arrow EndScripts and Upper FSubscript Upper B Baseline Overscript
Pavel [41]

Answer:

Part a)

F_A = 4.59 N

Part B)

F_B = 1.28 N

Explanation:

As we know that when both the forces are acting on the object in same direction then we will have

F_A + F_B = ma

as we know that

a = 0.554 m/s^2

m = 10.6 kg

now we will have

F_A + F_B = 10.6(0.554)

F_A + F_B = 5.87 N

Now two forces are in opposite direction then we have

F_A - F_B = 10.6(0.313)

F_A - F_B = 3.32 N

Part A)

Now we will have from above two equation

F_A = 4.59 N

Part B)

Similarly for other force we have

F_B = 1.28 N

5 0
3 years ago
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