An object is moving 45 m/s and a mass of 34 kg , What is the kinetic energy?

Hi there!

This collision is an example of an inelastic collision since kinetic energy is lost from the collision.

We can represent this using the conservation of momentum formula:

m1v1 + m2v1 = m1vf + m2vf

Where:

m1 = blue ball

m2 = green ball

We know that the final velocity of the blue ball is 0, so:

m1v1 + m2v1 = m2vf

Rearrange to solve for the speed of the green ball:

(m1v1 + m2v1)/m2 = vf

Plug in given values:

((0.15 · 3) + (0.15 · 2)) / 0.15 = 5 m/s

Answer:

Francine ran a quarter of a mile or 0.75 percent of a mile.

Explanation:

Answer:

i) 180m ii) 6sec ii)180m

Explanation:

i) Hmax = U²/2g

= 60²/20

= 3600/20= 180m

ii). Tmax= U/g

= 60/10= 6sec

iii). X= ut²+ 1/2gt²

since U is 0,then ut=0

X=0+ 1/2×10×6²

X=5×36= 180m

hope its clear??

Answer: For what objects? And what data?

Explanation:

Given : Sound travels at a speed of 330m/sec how long does it take the sound of thunder to travel 1485m

Solution : According to the question, here we are given that the speed of sound is 330m/sec and distance travelled is 1485m. So, time needs to be find out. For this we need to use a specific formula.

Time = Distance/Speed

Henceforth, time taken by the sound is 450 sec

Answer:

Atomic number...

Explanation:

The number of protons is the same as the number of electrons. The Atomic mass is the number of both the neutrons and number of protons.

Please mark BRAINLIEST.

ice cube to water, butter in pan, plastic when burned, candles, popsicles

Answer:

Charges on rod and cloth : opposite

Effect attract.

Explanation:

Opposite charges attract each other.

Whereas, Same charges repel each other.

The row that represents the nature of the charges and effect on both the cloth and rod is ; ( D ) Charges on rod and cloth are ; opposite while effect is ; Attract

When a plastic rod is rubbed against a nylon cloth it becomes negatively charged while the nylon cloth becomes positively charged.  

Opposite charges do not repel each rather they attract each other. therefore after rubbing the plastic rod with the nylon cloth they will become attractive to each other and other oppositely charged materials.

Hence we can conclude that the materials will have opposite charges and will attract each other.

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Answer:

Kinetic Energy

Explanation:

Answer:

kinetic

Explanation:

ururhrhrrhrhhrhrhrhrhrhrhhrhrrhehhrhehehehehehehe

Answer: Motor neurons of the spinal cord are part of the central nervous system (CNS) and connect to muscles, glands and organs throughout the body. These neurons transmit impulses from the spinal cord to skeletal and smooth muscles (such as those in your stomach), and so directly control all of our muscle movements. so they are resposnible for giving the message to your muscles to move your hand to dribble the ball.

Explanation:

Answer: Its way to small can you make it bigger so i can answer.

Explanation:

Answer: The gravitational force between two objects depends only on their masses.

Explanation:

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

Therefore, gravity relies on mass and distance, not just mass.

Explanation:

hope this helps you.

Answer:

yoga

Explanation:

Yoga would be the best exercise to achieve this goal, therefore the correct answer is option A.

Exercise is any activity that utilizes the physical movements of the body that improves a people's health, endurance, and wellbeing while lowering their chance of contracting illnesses. It enables the person to keep their body weight in a healthy weight range.

As given in the problem statement Marina comes from a family with a lot of heart disease. She knows that she will have to go out of her way to make sure that her heart stays strong and healthy.

In a different study, patients with heart failure who completed an eight-week yoga practice demonstrated improvements in their level of well-being and ability to exercise. Additionally, they had reduced blood sugars of inflammation-related indicators, which is linked to cardiovascular disease.

Thus, the appropriate answer for the given problem is option A.

To learn more about exercise here, refer to the link;

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#SPJ2

Answer:

Below

Explanation:

Here is what newton's first law states :

     " An object will remain in straight line motion due to inertia unless acted on by an external force"

If you've ever been on a roller coaster you would know that when you go over the top of the roller coaster you feel lighter or feel like you are being lifted out of your seat. This is due to the effect of interia! Because the roller coaster car is a mass, it wants to continue in the direction it is traveling. If the roller coaster is going up the hill, the acceleration of the coaster wants to keep pushing you up. However, when the coaster goes over the hill, the force of gravity is pulling you down. The track forces the coaster to go down, and gravity is the force that is pulling it down. This is the force that changes the object's motion.

Hope this helps!

Answer:

I think the answer is A,B,C

Explanation:

The total potential energy associated with the jumper at the end of his fall is 90,000 J.

The given parameters;

The total potential energy associated with the jumper at the end of his fall is calculated as follows;

U = ¹/₂kx² + mgΔh

where;

Δh is the change in height after falling

U = ¹/₂(32)(75)²  + (51)(9.8)(0)

U = 90,000 J

Thus, the total potential energy associated with the jumper at the end of his fall is 90,000 J.

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Answer:

a)200 mph

b)80 mph

c)-40 mph

d)97 mph

e)56 mph

(note: i rounded the answer for d, it was a repeating decimal)

Explanation:

a) 3s-0s=3s 600m-0m=600m 600m/3s=200m/s

and it is the same for the rest. Use the explanation for A as a example.

So you take the final variable or speed and subtract it by the starting, then divide that by the time elapsed. Hope this helped!

Answer:

Hey there

It says "use of technology" so let's get rid of option B because that talks of development. Now let's get rid of A because we are ask "how society affects the use of technology", not technology affects things".

We are left with C and D. C sounds the most plausible because it is about how "sociaty affects the use of money". D is not right because it talks about how people sell cars.

Answer:

410–460 g (14–16 oz) and is inflated to 65.7–68.8 kPa (9.5–10.0 psi).

Explanation:

Answer:

10 / 80 amount of potassium-40 remaining

1/8 = 1/2 * 1/2 * 1/2 = 3 half-lives

3 half-lives * 1.3E9 yrs / half-life = 3.9E9 yrrs

After 3.9 billion years the 80 g will have decayed to 10 g

Answer:

3.9 billion years

Explanation:

i took test

The equation that could be used to find the velocity of the satellite if it is placed in a low Earth orbit is [tex]v = \sqrt{\frac{Gm_p}{200 \ km} }[/tex].

The given parameters;

A low Earth orbit is an orbit around the Earth with altitude in the range of 250 km and 2000 km.

The gravitational potential or the work done in bringing the satellite to the low Earth orbit is given as;

[tex]U = \frac{GMm_p}{R} \\\\[/tex]

where;

let the value of R = 400 km

Note: any value between 250 km and 2000 km can be used BUT 400 km is the only value within this range that can be found in the given options as you will see at the end of the solution.

[tex]U = \frac{GMm_p}{400 \ km}[/tex]

The kinetic energy of the satellite at the low Earth orbit is equal to the gravitational potential energy due to the altitude of the low Earth orbit.

[tex]K.E = U\\\\\frac{1}{2} Mv^2 = \frac{GMm_p}{400 \ km} \\\\v^2 = \frac{2Gm_p}{400 \ km}\\\\v^2 = \frac{Gm_p}{200 \ km}\\\\v = \sqrt{\frac{Gm_p}{200 \ km}}[/tex]

Thus, the equation that could be used to find the velocity of the satellite if it is placed in a low Earth orbit is [tex]v = \sqrt{\frac{Gm_p}{200 \ km} }[/tex].

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Answer:

-32

Explanation:

Hi there!

According to Newton's second law:

∑F = m · a, where:

∑F = net force (N = kgm/s²)

m = mass (kg)

a = acceleration (m/s²)

Rearrange to solve for acceleration:

F/m = a

20N / 4.0kg = 5 m/s²

To increase the rate of the succinate forming fumarate you can increase the ATP and the enzyme that catalyzes this reaction

The Krebs cycle, also known as the citric acid cycle comprises a set of chemical reactions that are essential for organisms to obtain energy.

One of the steps in the cycle involves the use of succinate with a chemical formula of C4H6O4 to form fumarate or C4H4O4. This means in this reaction it is necessary to remove 2 hydrogen atoms.

This process requires two main factors:

Based on this, the reaction can be faster if there is more succinate dehydrogenase or if the energy increases.

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Answer:

V = S / t = 60 * 3.6 km / 2.4 hr = 90 km / hr

weight and mass.

Explanation:

Weight and Mass Mass is a measure of the amount of matter in an object; weight is a measure of the gravitational force exerted on an object. The force of gravity on a person or object at the surface of a planet is known as weight.

Answer:

It's the objects weight

Explanation:

A lighter object will fall slower than a heavier object

Answer:

Magnetization is the density of magnetic dipole moments that are induced in a magnetic material when it is placed near a magnet. ... Magnetization is also known as magnet polarization.