True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.

Answers

Answer 1

Answer:

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______ energy is defined as the energy of motion.

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Kinetic energy is defined as the energy of motion. On the other hand, potential energy is the energy of non-motion.
Hope that helped =)

Answer:

kinetic

Explanation:

Which of the following are also major levels of classification? A. Genus B. Species C. Group.

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I think it is A and or B

I think it is B or C

Why does an object traveling in a circle at a constant speed always accelerate ?

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Because "acceleration" doesn't mean "speeding up". It means any change
in the speed or direction of motion.

An airplane speeding up, a bicycle slowing down, and a car going around a curve, are all doing accelerated motion.

A circle has no straight parts, so an object traveling in a circle is always changing
its direction. That means accelerated motion, even if its speed doesn't change..

I'm not sure but I believe it is momentum, when an object keeps moving and keeps Its speed

Tides describe the regular rising and falling of ocean water. Tides are caused by A. earthquakes on the ocean floor. B. large storm systems over oceans. C. the gravitational pull of the Sun and Moon. D. the rotation of the Moon on its axis.

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C. the gravitational pull of the Sun and Moon

Answer

the answer is c .the sun and moon pull

Explanation:

Can you help me understand force=mass x accleration

Answers

Force = mass * acceleration

Here is an equation for force, used to calculate force.

Look at it this way:-

Joules is used to measure force, while mass is measured by kg. Acceleration is measured by m/s/s (meters per second per second, or meters per second squared.)

joules = m/s/s * kg

Which makes everything fit in just right! :D

A team of eight dogs pulls a sled with waxed wood runners on wet snow (mush!). The dogs have average masses of 19.0 kg, and the loaded sled with its rider has a mass of 210 kg. (a) Calculate the acceleration of the dogs starting from rest if each dog exerts an average force of 185 N backward on the snow. (b) Calculate the force in the coupling between the dogs and the sled.

Answers

The acceleration of the dogs as they pull the sled on the snow is $\boxed{4.09\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}}$ .

The force experienced by the sled due to the dogs is $\boxed{859\,{\text{N}}}$ .

Further Explanation:

As the dogs collectively full the sled on the wet snow surface, the sled will experience a net force due to all the dogs acting on it.

Part (a):

The net force applied by the 8 dogs on the sled is:

$\begin{aligned}{F_{{\text{net}}}}&=8*F\n&=8*185\n&=1480\,{\text{N}}\n\end{aligned}$

The net mass of the dog and the sled combined is:

$\begin{aligned}M&=\left({8*{m_d}}\right)+{m_s}\n&=\left({8*19}\right)+210\n&=362\,{\text{kg}}\n\end{aligned}$

The net acceleration of the dogs and the sled combined is:

$a=\frac{{{F_(net)}}}{M}$

Substitute the values of net force and mass in above expression.

$\begin{aligned}a&=\frac{{1480}}{{362}}\n&=4.088\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}\n&\approx4.09\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}\n\end{aligned}$

Thus, the acceleration of the dogs as they pull the sled on the snow is $\boxed{4.09\,{{\text{m}}\mathord{\left/{\vphantom {{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}}$ .

Part (b):

Since the sled is moving with an acceleration of $4.09\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}$ , the net force experienced by the sled due to the pull of the dogs is:

${F_(sled)}={m_s}* a$

Substitute the values in above expression:

$\begin{aligned}{F_(sled)}&=210*4.09\n&=858.9\,{\text{N}}\n&\approx{\text{859}}\,{\text{N}}\n\end{aligned}$

Thus, the force experienced by the sled due to the dogs is $\boxed{859\,{\text{N}}}$ .

Learn More:

1. A 30.0-kg box is being pulled across a carpeted floor by a horizontal force of 230 N brainly.com/question/7031524

2. A horizontal rope is tied to a 50 kg box brainly.com/question/2416204

3. Why is it important to define a frame of reference brainly.com/question/526888

Answer Details:

Grade: High School

Subject: Physics

Chapter: Newton’s law of Motion

Keywords:

Team of eight dogs, waxed wood runners, loaded sled, with its rider, acceleration, average force 185 N, coupling between dog and sled, average masses of 19 kg each.

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