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nataly862011 [7]

3 years ago

14

Plzzzz help the question that are selected in the picture r not correct PLZZ help PLZZ give the answer I will mark u the brainli

esst

1 answer:

lbvjy [14]3 years ago

3 0

Answer:

D for the first one and A for the second.

Explanation:

Hurricanes are usually caused by warmer waters.

Wind is created due to the movement of air because of the temperatures.

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A car is traveling at 120 km/h (75 mph). When applied the braking system can stop the car with a deceleration rate of 9.0 m/s2.

Bumek [7]

Answer:

the number of additional car lengths approximately it takes the sleepy driver to stop compared to the alert driver is 15

Explanation:

Given that;

speed of car V = 120 km/h = 33.3333 m/s

Reaction time of an alert driver = 0.8 sec

Reaction time of an alert driver = 3 sec

extra time taken by sleepy driver over an alert driver = 3 - 0.8 = 2.2 sec

now, extra distance that car will travel in case of sleepy driver will be'

S_d = V × 2.2 sec

S_d = 33.3333 m/s × 2.2 sec

S_d = 73.3333 m

hence, number of car of additional car length n will be;

n = S_n / car length

n = 73.3333 m / 5m

n = 14.666 ≈ 15

Therefore, the number of additional car lengths approximately it takes the sleepy driver to stop compared to the alert driver is 15

8 0

3 years ago

What is single kind of organism that can reproduce on its own?

Iteru [2.4K]

A cell will reproduce on its own

7 0

3 years ago

Read 2 more answers

Which is not true of friction? A. Causes wear and tear of the surfaces B. Helps us to fall easily on roads C. Produces heat D. P

Ganezh [65]

Answer:

B.

Hope this helps

5 0

2 years ago

Read 2 more answers

A 5 kg rock falls from an 8 m high cliff. What is the speed of the rock when it hits the ground?

Levart [38]

Answer:

3k mph

Explanation:

don't take my answer it is wrong

3 0

3 years ago

A circuit contains two 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current

horrorfan [7]

Answer:

<em>The current is 1 A</em>

Explanation:

<u>Current in a Series Connection </u>

When two or more elements are connected in series, all of them have the same current, and the sum of their individual voltages is the total voltage applied to the circuit.

According to Ohm's law:

V=R.I

Where V is the voltage, R is the resistance and I is the current of a circuit.

We have a voltage of V=1.5 V + 1.5 V = 3 V and a resistance of R=3 ohms.

We can calculate the current by solving for I:

$\displaystyle I=\frac{V}{R}=\frac{3}{3}=1\ A$

The current is 1 A

3 0

2 years ago