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ankoles [38]
2 years ago
12

The region of the globe directly beneath the Sun is warmer because it ____. A. sees more intense wavelengths reaching the surfac

e B. is closer to the Sun C. has more yearly daylight than other parts of Earth D. receives direct sunlight
Physics
1 answer:
sineoko [7]2 years ago
4 0
The answer is A. Sees more intense wavelengths reaching the surface
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A truck covers 40.0 m in 7.10 s while uniformly slowing down to a final velocity of 2.05 m/s.
Alona [7]

Answer:

(A) Original speed= 9.22 m/s

(B) Acceleration= -1.0099 m\s^2

Explanation:

A truck covers 40m in 7.10 secs

The truck slows down at a uniform velocity of 2.05 m/s

(A) The original speed can be calculated as follows

Vo= 2(40)/7.10 - 2.05

= 80/7.10 - 2.05

= 11.2676 - 2.05

= 9.22m/s

(B) The acceleration can be calculated as follows

a= Vf-Vo/t

= 2.05-9.22/7.10

= -7.17/7.10

= -1.0099m/s^2

5 0
3 years ago
Assuming the ball's initial velocity was 57° above the horizontal and ignoring air resistance, what did the initial speed of the
UNO [17]

Answer:

V0 = 44.97m/s

Height above fence = 66.67m

Explanation:

The detailed calculation is done as shown in the attachment

7 0
3 years ago
How is the radiating electric field (or electromagnetic signal) produced when radio stations broadcast
Natali5045456 [20]

Answer:

Radio stations have dipole type antennas

this field increases in intensity and propagates outwards,

Explanation:

Radio stations have dipole type antennas, that is, all sides are isolated from each other, when the AC signal from the radio station arrives, the lcharge begins at times and by the Lens law a field appears that opposes this movement, this field increases in intensity and propagates outwards, when the voltage reaches a maximum, the generated wave also reaches the maximum, now the incident wave begins to decrease, an electric hand appears to oppose this prisoner, and in this way a cap is created. electric .

5 0
3 years ago
1. What is energy? What can an object with energy do?
kvv77 [185]

Answer:

Kinetic energy is the energy an object has because of its motion. If we want to accelerate an object, then we must apply a force. Applying a force requires us to do work. After work has been done, energy has been transferred to the object, and the object will be moving with a new constant speed.

3 0
2 years ago
If the speed of a wave doubles while the frequency remains the same, it means
sattari [20]

Answer:

Explanation:

Velocity of a wave is describe as

velocity =Frequency × Wavelength

Mathematically

v = fλ

Hence, Frequency, F = v / λ

Wavelength λ = v/f

So, if the frequency is kept constant, wavelength of the wave becomes directly proportional to velocity of the wave.

And this implies that, as the speed double, the wavelength is double.

5 0
3 years ago
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