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Ipatiy [6.2K]
3 years ago
9

The California current is an ocean current that moves cold water from the north along the west coast of the United States. The m

ain effect of this current is to make the climate of the west coast .
Physics
2 answers:
dlinn [17]3 years ago
7 0

The California current is an ocean current that moves cold water from the north along the west coast of the United States. The main effect of this current is to make the climate of the west coast cooler.

Cloud [144]3 years ago
4 0
<span>The movement of Alaskan and northern water currents southward down the west coast results in much cooler ocean temperatures than at comparable latitudes on the east coast of the United States, where waters currents come from the Caribbean and Tropical Atlantic.</span>
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onsider two projectiles that can be shot upward by spring guns. Object A is made of solid aluminum and has a mass of 50 grams. O
BARSIC [14]

Answer:

B

Explanation:

From Newton's law of motion, we have:

V^2 = U^2 + 2gH

Where V and U are final and initial velocity respectively.

H is the height.

For the object to have a sustain a maximum height it means the final velocity of the object is zero.

By computing the height of the object sustain by A, we have:

0^2 = 2^2 -2×10×H

0= 4 -20H

4 = 20H;

H= 0.2m

For object B we have;

0^2 = 1^2 -2×10×H

0 = 1 -20H

H = 1/20= 0.05m

From computing the height sustain by both objects, we see object B is projected at a shorter height into atmosphere than A.

Hence object B will return to the ground first.

8 0
2 years ago
Two radio antennas are 120 m apart on a north-south line, and they radiate in phase at a frequency of 3.4 MHz. All radio measure
chubhunter [2.5K]

Answer:

the smallest angle from the antennas is <em>47.3°</em>

Explanation:

We first need to write the expression for the relation between the wavelength (λ) and the frequency (f) of the wave, and then solve for the wavelength.

Therefore, the relation is:

λ = c /f

where

  • c is the speed of light constant
  • λ is the wavelength
  • f is the frequency

Thus,

λ = (3 × 10⁸ m/s) / (3.4 MHz)

  = (3 × 10⁸ m/s) / (3.4 MHz)(10⁶ Hz/1 MHz)

  = 88.235 m

Therefore, the smallest angle measured (from the north of east) from the antennas for the constructive interference of the two-radio wave can be calculated as

θ = sin⁻¹(λ / d)

where

  • d is the distance between the two radio antennas

Thus,

θ = sin⁻¹(88.235 / 120)

<em>θ = 47.3 °</em>

<em></em>

Therefore, the smallest angle from the antennas, measured north of east, at which constructive interference of two radio waves occurs is <em>47.3 °</em>.

5 0
3 years ago
A person travels by car from Tucson to Phoenix at a constant speed of 75 km/hr. They then return from Phoenix to Tucson at a con
kompoz [17]

Answer:

v=0

Explanation:

Knowing that the formula for average velocity is:

v=\frac{x_{2}-x_{1}}{t_{2}-t_{1}}

Being said that, we know that the person's displacement is zero because it returns to its starting point

x_{2}=x_{1}

That means x_{2}-x_{1}=0

v=\frac{0}{t_{2}-t_{1}}=0

7 0
3 years ago
A speed-time graph is shown below:
alexandr1967 [171]

Answer:

<em>The average acceleration of the object is 0.5 cm/s^2</em>. Answer: A)

Explanation:

<u>Average Acceleration</u>

The average acceleration of a moving object is the rate at which the speed changed over time in a specific period. It can be calculated as follows:

\displaystyle \bar a=\frac{v_f-v_o}{t}

Where vf is the final speed, vo is the initial speed and t is the time.

The speed-time shows the speed starts at 0 cm/s and ends at 4 cm/s over the 8 seconds period. The average acceleration is:

\displaystyle \bar a=\frac{4-0}{8}=0.5

The average acceleration is 0.5 cm/s^2

A) Correct. The average acceleration is 0.5 cm/s^2

B) Incorrect. The average acceleration is 0.5 cm/s^2

C) Incorrect. The average acceleration is 0.5 cm/s^2

D) Incorrect. The average acceleration is 0.5 cm/s^2

3 0
2 years ago
A particle in a magnetic field is found to has zero magnetic force on it. Which situation is impossible to happen?​
Eva8 [605]

Answer:

Explanatim confused

7 0
2 years ago
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