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Doss [256]
3 years ago
13

Please help:)

Physics
1 answer:
timofeeve [1]3 years ago
5 0

Answer:

tqm-apwk-wix. join join

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Express 68 rations in dekarations
rewona [7]
You have to take note of the prefix because it gives you a hint of its value with respect to the base value. The base value is ratio. When the prefix is deka, that means that 1 ration is equal to 0.1 dekaration according to the metric system. The conversion is as follows:

68 rations * 0.1 dekarations/1 ration = 6.8 dekarations
6 0
3 years ago
A powerful motorcycle can produce an acceleration of 3.00 m/s2 while traveling at 90.0 km/h. At that speed the forces resisting
nata0808 [166]

Answer:

1185 N

Explanation:

From Newton’s second law of motion,  

F=ma where m= mass of motorcycle, a is acceleration of the motorcycle and F=Force

Net force acting on motorcycle F_{net} is given by  F_{net}=F-f

Where F is force acting on motorcycle and f is frictional force

Substituting F-f for F_{net}

F_{net}=ma hence  ma= F- f Substituting a with 3, m with 245Kg and f with 450N as provided

245*3= F- 450

F=245*3 +450= 1185 N

6 0
4 years ago
A kitten has a mass of 0.8 kg. It is moving forward with a momentum of 0.5 kg • m/s. What is the kitten’s velocity?
morpeh [17]

The kitten's velocity is   V=0.625 m/s

<u>Explanation:</u>

<u>Solving the problem,</u>

Given

Mass=0.8 kg

Momentum=0.5 kg.m/s

Velocity=?

We have the formula,

P=M*V

V=P/M

V=0.5 kg.m/s/0.8 kg

V=0.625 m/s

The kitten's velocity is   V=0.625 m/s

<u />

5 0
4 years ago
Which sentence correctly describes a friction force? A. It acts in the same direction as the motion of an object. B. It acts in
KatRina [158]

Answer:

B

Explanation:

Friction acts in a direction opposite to the motion of an object

5 0
4 years ago
Seismic waves do not travel along the Earth’s surface. Please select the best answer from the choices provided
mario62 [17]
<span>The correct answer to the question that is stated above is obviously letter b, false. 

</span>Seismic waves travel along the Earth’s surface.They are <span>waves of </span>energy<span> that travel through the </span>Earth<span>'s layers.  These waves are a result of an </span>earthquake <span>, </span>volcanic<span> eruptions, magma movement and large </span>landslides.
3 0
3 years ago
Read 2 more answers
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