1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
konstantin123 [22]
3 years ago
15

What is an example of kinetic energy

Physics
1 answer:
Olenka [21]3 years ago
6 0

An airplane has a large amount of kinetic energy in flight due to its large mass and fast velocity.

You might be interested in
Click on the ray diagram that shows the proper positioning of an image formed by a concave lens.
Reika [66]

I don't think so

Answer:

h

Explanation:

beautiful answer

6 0
2 years ago
Two north poles will blank
soldier1979 [14.2K]

Answer:

Be pushed away from each other.

Explanation:

7 0
3 years ago
A ray of light travels across a liquid-to-glass interface. if the indices of refraction for the liquid and glass are, respective
prisoha [69]
When it comes to optics, Snell's law is the basic formula to be used. If you notice, when light hits the water, the light does not travel in the same direction. After, it hits the water, it changes in angle. Light becomes refracted. This is observed when your hands tend to become bigger if you place it underwater. The formula for Snell's Law is

n₁ sin θ₁ = n₂sin θ₂, where n is the index of refraction. This depends on the type of medium. For example, for air, n=1. The parameters θ₁ is the angle of incidence, and θ₂ is the angle of refraction. Critical angle is the incident angle needed so that the refract angle is 90°. So, modifying the equation:

n₁ sin θcrit = n₂sin 90°, since sin 90°=1,
sin θcrit = n₂/n₁
θcrit = sin ⁻¹ (n₂/n₁)

Since liquid comes first before glass, n₁=1.75 and n₂=1.52. Substituting,
θcrit = sin ⁻¹ (1.52/1.75)
θcrit = 60.29°

7 0
3 years ago
Calculated the measurement uncertainty for Kinetic Energy when :mass = 1.3[kg] +/- 0.4[kg]velocity= 5.2 [m/s] +/- 0.2 [m/s]KE= 1
andriy [413]

Answer:

\rm KE\pm \Delta KE = 17.6\pm 6.8\ J.

Explanation:

<u>Given:</u>

  • Mass, \rm m\pm\Delta m = 1.3\pm 0.4\ kg.
  • Velocity, \rm v\pm \Delta v = 5.2\pm 0.2\ m/s.

where,

\rm \Delta m,\ \Delta v are the uncertainties in mass and velocity respectively.

The kinetic energy is given by

\rm KE = \dfrac 12 mv^2 = \dfrac 12 \times 1.3\times 5.2^2=17.576\approx 17.6\ J.

The uncertainty in kinetic energy is given as:

\rm \dfrac{\Delta KE}{KE}=\dfrac{\Delta m}{m}+\dfrac{2\Delta v}{v}\\\dfrac{\Delta KE}{17.6}=\dfrac{0.4}{1.3}+\dfrac{2\times 0.2}{5.2}\\\dfrac{\Delta KE}{17.6}=0.384\\\Rightarrow \Delta KE = 17.6\times 0.384 = 6.7854\ J\approx6.8\ J\\\\Thus,\\\\KE\pm \Delta KE = 17.6\pm 6.8\ J.

7 0
3 years ago
What is the acceleration of a 19 kg bike pushed with a force of 340 N? F = ma
strojnjashka [21]

Answer:

C

Explanation:

7 0
3 years ago
Other questions:
  • What type of bones form inside the tendon of a muscle, where it crosses a joint?
    9·1 answer
  • An animal lays eggs with a tough, leathery, watertight shell. This adaptation would be best suited for which environment?
    10·2 answers
  • What sort of element can be found in Group 13 of the periodic table?
    14·1 answer
  • In an atom, the electrons travel outside the____.
    9·1 answer
  • I am so confused please help
    7·1 answer
  • How do you calculate the speed of a wave?
    14·2 answers
  • Placement.
    11·1 answer
  • What is meant by the phrase " a consistent method of measurement "? someone help plss
    7·2 answers
  • One of the way atoms bond with each other would be through:
    11·1 answer
  • A power plant burns coal to generate electricity. Suppose that 1000 J of heat (Q) from the coal fire enters a boiler, which is k
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!