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dexar [7]
3 years ago
13

You should increase the distance between your car and the vehicle ahead when you:

Physics
1 answer:
ELEN [110]3 years ago
8 0
<span>You should increase the distance between your car and the vehicle ahead when you are being tailgated by another driver.
Tailgated is a condition when the vehicle behind you is very close to you that there is no distance between your vehicle and the vehicle behind you. In that case you should increase distance from the vehicle ahead to avoid collision in any case. These days people were mostly in hurry and everyone want to go ahead, so tailgating is very common.</span>
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A 12.0N force with a fixed orientation does work on a
kvasek [131]

Answer:

(a) \theta=62.31^{\circ}

(b) \theta=117.68^{\circ}

Explanation:

It is given that,

Force acting on the particle, F = 12 N

Displacement of the particle, d=(2.00i -4.00j+3.00k)\ m

Magnitude of displacement, d=\sqrt{2^2+4^2+3^2}= 5.38\ m

(a) If the change in the kinetic energy of the particle is +30 J. The work done by the particle is given by :

W=Fd\ cos\theta

\theta is the angle between force and the displacement

According to work energy theorem, the charge in kinetic energy of the particle is equal to the work done.

So,

cos\theta=\dfrac{W}{Fd}

cos\theta=\dfrac{+30\ J}{12\times 5.38}

\theta=62.31^{\circ}

(b) If the change in the kinetic energy of the particle is (-30) J. The work done by the particle is given by :

cos\theta=\dfrac{W}{Fd}

cos\theta=\dfrac{-30\ J}{12\times 5.38}

\theta=117.68^{\circ}

Hence, this is the required solution.

8 0
3 years ago
Convert 22°c to fahrenheit
posledela
The answer is:
71.6 <span>°F</span>
7 0
3 years ago
Read 2 more answers
Place the following types of electromagnetic radiation in order from LOWEST energy
Alex

Placing the electromagnetic radiation in order from the lowest energy to the highest energy :  ( 2 ) C,A,B

<h3>Electromagnetic spectrum </h3>

In the electromagnetic spectrum the electromagnetic radiation with the shorter wavelength possess a higher energy while the electromagnetic radiation with a longer wavelength possess the lower energy.

The electromagnetic radiation as listed in the question with the longest wavelength is the radio waves therefore it possess the lowest energy while the radiation with the shortest wavelength is the gamma rays therefore it possess the highest energy.

Hence we can conclude that Placing the electromagnetic radiation in order from the lowest energy to the highest energy :  ( 2 ) C,A,B

Learn more about electromagnetic spectrum : brainly.com/question/25847009

3 0
1 year ago
a body that has a mass of 0.04 k g is thrown up with a speed of 60m/s. Kinetic energy? a) in the begining,b)after 6 seconds​
Katena32 [7]

Answer:

gh

rhtnyhjukjhngccdvfnrtj tv drbrbfntjjz

8 0
3 years ago
Câu 1. Con lắc lò xo treo thẳng đứng, dao động điều hòa với biên độ 2cm và tần số góc 20 rad/s. Chiều dài tự nhiên của lò xo là
natka813 [3]

Answer:

28 cm and 32 cm

Explanation:

1. The spring pendulum hangs vertically, oscillates harmonic with amplitude 2cm and angular frequency 20 rad/s. The natural length of

a spring is 30cm. What is the minimum and maximum length of the spring during the oscillation? Take g = 10m/s2.

As the amplitude is 2 cm and the natural length is 30 cm. So, it oscillates between 30 -2 = 28 cm to 30 + 2 = 32 cm.

So, the minimum length is 28 cm and the maximum length is 32 cm.

8 0
2 years ago
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