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Aleks04 [339]
3 years ago
14

Which of the following correctly lists the planets in the Solar System from the smallest to the largest in terms of diameter?

Physics
2 answers:
slavikrds [6]3 years ago
8 0
The answer is b because  mercury is the smallest planet which means it has the smallest diameter which means it will go first on the list and Jupiter is the biggest planet so it has the biggest diameter and the only answer with mercury  first and Jupiter last is b so the answer is b.
Dvinal [7]3 years ago
6 0

Answer:

The answer in B

Explanation:

I did the test and doubled check with my teachers.

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What are the effects of forces to the motion of an object?​
melamori03 [73]
Forces affect how objects move. They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that acceleration is a change in velocity.
3 0
3 years ago
Chegg A uniform solid disk of mass m = 3.01 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with
ipn [44]

Answer with Explanation:

We are given that

Mass=3.01 kg

Radius,r=0.2 m

Angular frequency,\omega=5.97 rad/s

a.Angular momentum,L=I\omega=\frac{1}{2}mr^2\omega=\frac{1}{2}(3.01)(0.2)^2(5.97)=0.36 kgm^2/s

b.When the axis of rotation passes through a point midway between the ceneter and rim then moment of inertia,I=\frac{3}{4}mr^2

Angular momentum,L=\frac{3}{4}(3.01)(0.2)^2(5.97)=0.55 kgm^2/s

8 0
4 years ago
Which element is likely to be the most reactive? bromine (Br) chlorine (Cl) fluorine (F) iodine (I)
RUDIKE [14]

Answer:

Fluorine is the most reactive element

5 0
3 years ago
Read 2 more answers
A 5.22×104 kg railroad car moves on frictionless horizontal rails until it hits a horizontal spring stopper with a force constan
In-s [12.5K]

To solve this problem we will apply the principles of conservation of energy, for which we have to preserve the initial kinetic energy as elastic potential energy at the end of the movement. If said equality is maintained then we can affirm that,

\text{Initial Energy}=\text{Final Energy}

\frac{1}{2} mv^2=\frac{1}{2} kx^2

Here,

m = mass

k = Spring constant

x = Displacement

v = Velocity

Rearranging to find the velocity,

mv^2 = kx^2

v^2 = \frac{kx^2}{m}

v = \sqrt{\frac{kx^2}{m}}

Our values are,

m = 5.22*10^4kg

k = 4.58*10^5N/m

x = 32cm = 0.32m

Replacing our values we have,

v = \sqrt{\frac{(4.58*10^5)(5.22*10^4)}{0.32}}

v = 2.733*10^5m/s

Therefore the velocity is 2.733*10^5m/s

8 0
4 years ago
A soccer player kicks a ball, applying a force of 1,000 newtons over a distance of 0.2 meter. The ball travels 50 meters down th
pishuonlain [190]

The amount of work done during the kick is 200 Joules.

<h3>Formula for Work done </h3>

The formula for work done is Force× Distance

This is represented by fd

The force applied is 1,000 Newton

The displacement exerted by the force during kicking is 0.2meter

From this we can get the work done which is:

W= fd

= 1000N × 0.2m

= 200 Joules.

Read more about Work done here brainly.com/question/25191227

3 0
3 years ago
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