Answer:
2.0 J
Explanation:
Since the surface is frictionless, we can solve the problem by using the work-energy theorem, which states that the work done on the toy is equal to the kinetic energy gained by the toy:
where
W is the work done on the toy
is the kinetic energy gained by the toy
The work done can be calculated as the product between the force applied on the toy and its displacement, so:
Therefore, according to the work-energy theorem, the toy has gained 2.0 J of kinetic energy.
T = 2,548
What is tension?
Tension occurs due to the direction of pull on the object and along the length of the given rope.
It's S.I. unit is Newton
Tension formula can be represented as
T = mg + ma
T = 200 (9.8 + 1.3 m/s²)
T = 200 (12.74)
T = 2,548
Learn more about tension : brainly.com/question/15880959
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Steam<span> is water in the gas phase, which is </span>formed<span> when water boils. </span>Steam<span> is invisible; however, "</span>steam<span>" often refers to wet </span>steam<span>, the visible mist or aerosol of water droplets </span>formed<span> as this water vapour condenses.
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Answer:
The electromagnetic wave that travels the fastest through space is gamma ray
Explanation:
Electromagnetic wave is a type of wave which does not require material medium for its propagation. Examples of electromagnetic waves according to increasing frequency of the waves are gamma ray, x-ray, ultra violet ray, infra red, visible light, micro wave and radio waves.
Frequency of a wave is inversely proportional to period of oscillation of the wave. The higher the frequency of a wave, the shorter the period of oscillation. Gamma ray has the highest wave frequency in electromagnetic spectrum and shorter period of oscillation, thereby causing it to have the highest penetration power.
The De Broglie's wavelength of a particle is given by:
where
is the Planck constant
p is the momentum of the particle
In this problem, the momentum of the electron is equal to the product between its mass and its speed:
and if we substitute this into the previous equation, we find the De Broglie wavelength of the electron:
So, the answer is True.
