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marshall27 [118]
3 years ago
9

When you increase your vehicle's speed, you must also increase your _________ to compensate for limitations.

Physics
1 answer:
jolli1 [7]3 years ago
7 0

When you increase your vehicle's speed, you must also increase your following interval to compensate for limitations.

<h3>What is following interval?</h3>

The following interval refers to the distance between you and the vehicle that is ahead of you. This distance ought to be safe considering the speed at which you are moving.

Hence, when you increase your vehicle's speed, you must also increase your following interval to compensate for limitations.

Learn more about speed: brainly.com/question/7359669

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The Earth’s gravitational force that attracts the sun is __________ the sun’s gravitational force to attract the Earth?
Ede4ka [16]
Hello,

Here is your answer: 

The proper answer to this question is option D "<span>centrifugal".</span>

The force centrifugal is the force that holds the moon with the Earth and the centrifugal force is two times stronger with the Earth and the sun.

Your answer is D.

If you need anymore help feel free to ask me!'

Hope this helps!
5 0
4 years ago
An electric kettle is rated at 2 kW when connected to a 230 V electrical supply
Oliga [24]

Explanation:

a) P = IV

2000 W = I (230 V)

I = 8.7 A

b) The fuse must be rated for a higher current than the kettle, so use the 13A fuse.

c) Double insulation means there are two layers of insulation, insuring that the wires cannot touch the outer casing of the kettle and protecting the user from electrical shock.

d) V = IR

230 V = (8.7 A) R

R = 26.5 Ω

6 0
3 years ago
A car travels at a constant speed around a circular trackwhose
Mashutka [201]

Answer:

a = 0.77 m/s^2

Explanation:

The centripetal acceleration is given as

a = \frac{v^2}{R}

The velocity of the car can be calculated using the circumference of the track and the period of the car.

2\pi R = v T\\2\pi 2.6 = v 360\\v = 0.045 ~km/s = 45~m/s

So, the acceleration is

a = \frac{45^2}{2.6\times 10^3} = 0.77~m/s^2

8 0
4 years ago
An ion's position vector is initially r with arrow = 7.0i hat â 7.0j + 1.0k, and 5.0 s later it is r with arrow = 7.0i hat + 7.0
harkovskaia [24]
<h2>Answer:</h2>

Shown in the explanation

<h2>Explanation:</h2>

Position vector of a  particle at a given instant is given by:

\vec{r}=x\hat{i}+y\hat{j}+z\hat{k}

On the other hand, the average velocity is the change in the particle’s position vector divided by time interval:

\vec{v}=\frac{\Delta \vec{r}}{\Delta t}=\frac{\vec{r_{2}}-\vec{r_{1}} }{t_{2}-t_{1}} \\ \\ \\ Where: \\ \\ \\ \vec{r_{1}}: Initial \ position \\ \\ \vec{r_{2}}: Final \ position \\ \\ t_{1}:Initial \ time \\ \\ t_{2}:Final \ time

So we have:

\vec{r_{1}}=7\hat{i}+7\hat{j}+1\hat{k} \\ \\ \vec{r_{2}}=7\hat{i}+7\hat{j}+8\hat{k} \\ \\ \\ Then: \\ \\ \Delta \vec{r} = \vec{r_{2}}-\vec{r_{1}}=7\hat{i}+7\hat{j}+8\hat{k}-(7\hat{i}+7\hat{j}+1\hat{k}) \\ \\ \Delta \vec{r}=7\hat{k} \\ \\ \\ We \ also \ know: \\ \\ \Delta t=5s

Finally, the average velocity is:

\vec{v}=\frac{\Delta \vec{r}}{\Delta t} \\ \\ \\ \vec{v}=\frac{7\hat{k}}{5} \\ \\ \boxed{\vec{v}=\frac{7}{5}\hat{k} \ units/s}

3 0
4 years ago
How is a force multiplied in a hydraulic<br> system?
HACTEHA [7]

Answer:

Pascal's law states that when there is an increase in pressure at any point in a confined fluid, there is an equal increase at every other point in the container. ... Applied to a more complex system below, such as a hydraulic car lift, Pascal's law allows forces to be multiplied.

Explanation:

4 0
3 years ago
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