how can the temperature of a substance remain the same even if the substance is absorbing thermal engergy

Answers

Answer 1

Answer: Temperature remains constant despite the application of thermal energy because phase change does not occur within the substance. To put it simply, here’s an example: You are drinking an orange juice outside and you decided to grab some ice to cool your juice. The mixture then turns into half ice and half juice with a temperature of exactly 0 degrees. But as you hold your glass, the ice begins to melt but the contents of the glass don’t change temperature. This happens because the thermal energy going into the glass come from the gas outside of the air which is the reason why the ice is melting causing the mixture not to warm up but do the opposite.

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Centripetal acceleration occurs because an object isSelect one:
a. slowing down.
b. changing direction.
c. speeding up.
d. none of these choices.

Answers

Answer:

changing direction

............

What is mean by the net displacement in transverse wave

Answers

In a transverse wave, the particles are disturbed in a direction perpendicular to the direction of wave propagation. Thus, waves travel through a medium with no net displacement of the distance between two successive particles of wave that are in wavelength.

Movement that occurs along a straight line is called:

Answers

linear motion! hope i helped

A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs areangled at 45o pointing in the direction of motion as shown.

Write the vector velocity of the
passenger relative to the water.
Express your answer using two significant figures. Express
your answer in terms of the
unit vectors i
and j.

Answers

If you wish, you could choose i to be in the same direction as the motion and j in perpendicular direction (upwards).
The two speeds could be expressed as vectors. The speed of the boat is merely $1.7i+0j$ . The speed of the climbing man, using the boat as reference, is more complicated. It is $(0.60)/(√(2))i+(0.60)/(√(2))j=0.30√(2)i+0.30√(2)j$ . Calculate the sums of the two and the speed itself.

Which types of electromagnetic wave travels through space the fastest?

Answers

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.

Speed of wave can change ifA) none of the other choices
B) pressure changes
C) temp changes
D) all the other choices
E)enters new medium

Answers

B- the pressure changes

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