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inysia [295]
3 years ago
7

Kinetic energy is the energy an object has due to its _____.

Physics
2 answers:
leva [86]3 years ago
9 0

Answer:

motion

Explanation:

Lostsunrise [7]3 years ago
3 0

Answer: Kinetic energy is the energy an object has due to its __movement of bodies.___.

Explanation:

What is Kinetic Energy:

Kinetic energy is a type of energy that is related to the movement of bodies.

The result of kinetic energy is intrinsically linked to the mass value of the object and its velocity of movement.

For example, if two objects have the same velocity but different masses, the body with the heaviest mass will have the highest kinetic energy.

Normally, in order for an object to gain initial movement, it is necessary to apply a force that impels it (an action which in physics is known as “work”).

According to the Kinetic Energy Theorem, "the work of the resulting force is measured by the variation of the kinetic energy."

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Crazy boy [7]
1) 0N... friction opposes the motion of an object, since the block is at rest there is no motion thus no friction

2) F=ma
= (5.5kg)(30m/s)
=165 N
7 0
2 years ago
Categorize these resources as either renewable or Non-renewable
valentinak56 [21]

renewable: water, plants, animals

nonrenewable: rocks, soil

i hope this helps :)

5 0
3 years ago
A worker drives a 0.562 kg spike into a rail tie with a 2.26 kg sledgehammer. The hammer hits the spike with a speed of 64.4 m/s
zubka84 [21]

Answer:

Explanation:

Given that,

Mass of sledge hammer;

Mh =2.26 kg

Hammer speed;

Vh = 64.4 m/s

The expression fot the kinetic energy of the hammer is,

K.E(hammer) = ½Mh•Vh²

K.E(hammer) = ½ × 2.26 × 64.4²

K.E ( hammer) = 4686.52 J

If one forth of the kinetic energy is converted into internal energy, then

ΔU = ¼ × K.E(hammer)

∆U = ¼ × 4686.52

∆U = 1171.63 J

Thus, the increase in total internal energy will be 1171.63 J.

4 0
3 years ago
Describe how pieces of rope move as waves pass
MaRussiya [10]
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Maybe that'll help
6 0
3 years ago
A 57-gram tennis ball moving at 70 miles per hour is hit with a 110-gram tennis racquet moving at 60 miles per hour. Which state
Whitepunk [10]

Answer:

D. Because mass and energy are both conserved, the total amounts of mass and energy are the same before and after impact.

Explanation:

As we know that, the energy in motion is Kinetic Energy mathematically given as:

KE=\frac{1}{2} m.v^2

<u>Now, according to the law of conservation of energy:</u>

\frac{1}{2} m_1.u_1^2+\frac{1}{2} m_2.u_2^2=\frac{1}{2} m_1.v_1^2+\frac{1}{2} m_2.v_2^2

where:

m_1\ \&\ m_2 mass of racquet and ball respectively and u_1\ \&\ u_2 are their respective initial velocities.

v_1\ \&\ v_2 are the respective final velocities.

<u>Also the law of conservation of momentum is applicable in this case:</u>

m_1.u_1+ m_2.u_2= m_1.v_1+m_2.v_2

In this case the velocity of the lighter mass will get increases in the final condition.

5 0
2 years ago
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