Kinetic energy is dependent on which of the following?

Answers

Answer 1

Answer: mass is always a constant for both kinetic and potential energy..no matter what situation any object is the mass doesnt change..velocity is always the factor that kinetic energy changes with..the lower the velocity the lower the knetic energy is ke=1/2 mv^2 they are directly related..when velocity= to zero then ke=0 however if there was no mass then that means there is no object which means kinetic energy is not present either..but usally its all about the velocity

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What is Newtons second law of motion?

Answers

The acceleration of an objection is directly proportional to the magnitude of the net force, in the same direction of the net force, and inversely proportional to the mass.

Hello there!

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓↓↓

Newton's second law of motion states that the total net force acting on an object is equal to mass times acceleration.

Newton's second law of motion formula:

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

F=force=newtons= $kg*(m)/(s^2)$

M=mass (kg)

A-acceleration $((m)/(s^2))$

F=ma

M=f/a

A=f/m

For example:

↓↓↓↓↓↓↓↓↓↓↓

Calculate the force needed to accelerate an object to 4.3 m/s². The object has a mass of 2.2 kg. Round the answer to the nearest tenth.

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

A= 4.3 m/s²

M= 2.2 kg

F=??

F=ma

2.2 kg (4.3 m/s²)=9.46=9.5N

Answer⇒⇒⇒⇒⇒9.5N

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A shark is in the ocean trying to catch fish. If the shark swims to the right for 30 meters, then swims to the left for 15 meters, and them swims back to the right for 50 meters. What is the shark's displacement?

Answers

Answer:

65 meters to the right.

Explanation:

the shark moves to the right 30 meters and then to the left 15 making his new placement 15. he then moved to the right 50 meters making his new placement 65 meters to the right.

Chanel has some cotton candy that came in a cloudy shape. She wants to make it more dense. Which describes the candy before and after Chanel manipulated it?

Answers

Answer:

The candy before was fluffy, and the candy after was compacted.

Explanation:

Final answer:

The cloudy cotton candy was light and fluffy due to the air incorporated in it. After Chanel made it dense, the candy became compact and heavier, as she decreased the volume and maintained or increased the amount of sugar.

Explanation:

The cotton candy that Chanel had originally was described as being in a cloudy shape. This suggests that it was light, fluffy, and probably had a lot of air incorporated into it, which is why it was able to maintain such a shape. After she manipulated it to make it more dense, the cotton candy would have lost its cloudy appearance. Instead, it would have become heavier and more compact, because decreasing the amount of air in it increases its density. In other words, the volume of the cotton candy has decreased, but the amount of sugar within that volume has remained the same or increased.

Learn more about Density here:

brainly.com/question/34199020

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In a machine shop, a hydraulic lift is used to raise heavy equipment for repairs. The system has a small piston with a cross-sectional area of 0.075 m2 and a large piston with a cross-sectional area of 0.237 m2 . An engine weighing 3400 N rests on the large piston. What force must be applied to the small piston in order to lift the engine? Answer in units of N.

Answers

Answer:

$F_s=1075.9493\ N$

Explanation:

Given:

area of piston on the smaller side of hydraulic lift, $a_s=0.075\ m^2$

area of piston on the larger side of hydraulic lift, $a_l=0.237\ m^2$

Weight of the engine on the larger side, $W_l=3400\ N$

Now, using Pascal's law which state that the pressure change in at any point in a confined continuum of an incompressible fluid is transmitted throughout the fluid at its each point.

$P_s=P_l$

$(F_s)/(a_s)=(W_l)/(a_l)$

$(F_s)/(0.075) =(3400)/(0.237)$

$F_s=1075.9493\ N$ is the required effort force.

Answer:

F = 1076 N

Explanation:

given,

small piston area, a = 0.075 m²

large piston area, A = 0.237 m²

weight on the large piston, W = 3400 N

force applied on the second piston, F = ?

using pascal law for the force calculation

$(F)/(W)=(a)/(A)$

$(F)/(3400)=(0.075)/(0.237)$

F = 0.3165 x 3400

F = 1076 N

The force applied to the small piston in order to lift the engine is equal to 1076 N.

Is a battery that generates hydrogen,is that very explosive

Answers

The answer is yes!
Hydrogen gas is generated as part of the charging process of lead/acid cell batteries. If the hydrogen gas acculates in large concentrations in a building or room or a box, an electrical spark or other ignition source will cause the hydrogen to burn in a rapid reaction causing an possible explosion.
A good example of a hydrogen gas explosion and fire is the "Hindenburg" disaster of the old flying blimps or zepplins.

The atmosphere has many roles, including:

Answers

There are five layers of the atmosphere and these are; troposphere, stratosphere, mesosphere, thermosphere and exosphere. The first layer, troposphere, is where we are able to do most of our activities. This is where we can see the formation of clouds, the production of rain, hail, snow and other weather phenomenon. Also, this layer is where the greatest amount of air pressure because most of the molecules of air are in this area. Like us, air has also mass and the pressure is brought down by the earth’s gravity causing an increase in weight exerted on you as you descend lower into the atmosphere. So, as you enter into the other layers of atmosphere above the troposphere, the air pressure starts to decrease. Below the atmosphere is the hydrosphere. This is where all liquid forms are located. And since the seawater has a greater mass than air, it has the greatest pressure.

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