There are several variables that can affect the thermal energy of an object:
Temperature: The higher the temperature of an object, the greater its thermal energy.
Mass: The greater the mass of an object, the greater its thermal energy.
Specific heat capacity: The specific heat capacity of a material determines how much energy is required to raise its temperature. Materials with a higher specific heat capacity require more energy to raise their temperature, resulting in a higher thermal energy.
Phase: The phase of an object (solid, liquid, or gas) can affect its thermal energy. For example, it takes more energy to change the phase of a substance from solid to liquid or from liquid to gas than it does to raise its temperature within a given phase.
Surface area: The greater the surface area of an object, the greater the amount of heat it can absorb or release, leading to a change in thermal energy.
Thermal conductivity: The thermal conductivity of a material determines how quickly it can transfer heat. Materials with high thermal conductivity can transfer heat quickly, resulting in a higher thermal energy.
Radar is one observation tool that helps planetary scientists explore ______ and the surface roughness of planetary bodies.
Radar is one observation tool that helps planetary scientists explore the composition and the surface roughness of planetary bodies.
Radar (Radio Detection and Ranging) technology is used by planetary scientists to study various aspects of celestial bodies such as their composition, surface roughness, and topography. Radar systems transmit radio waves that bounce off the target object, and the returning signals are analyzed to determine the properties of the object.
1. Radio waves are transmitted from a radar system towards the target planetary body.
2. These radio waves hit the surface and interact with the materials present.
3. The radio waves are reflected back towards the radar system.
4. The received signals are analyzed, taking into account factors like the time delay between transmission and reception, frequency shifts, and signal strength.
5. This analysis helps scientists determine the composition and surface roughness of the planetary body, providing valuable insights into the body's geology, atmosphere, and potential habitability.
To know more about Radar (Radio Detection and Ranging) visit:
brainly.com/question/15609946
#SPJ11
90. A sound wave in the range of human hearing is referred to as a(n)
____________________ sound wave.
A sound wave in the range of human hearing is referred to as an "audible" sound wave.
An example of a mechanical wave is a sound wave, which moves through an environment by compressing and rarefying the molecules of the medium as it does so, such as air or water.
The pitch of the sound that humans perceive is determined by the sound wave's frequency, and the volume or strength of the wave is determined by its amplitude.
The 20 Hz to 20,000 Hz range is generally the range of sound frequencies that can be heard by human ears.
These sound waves are referred to as "audible" sound waves.
In conclusion, a sound wave that is audible is one that is within the range of frequencies that the human ear can perceive, often between 20 Hz and 20,000 Hz.
Learn more about waves here:
https://brainly.com/question/25954805
#SPJ4
List at least four objects, one fo which is an aluminum rod. Predict what will happen if you bring each object near one pole of a magnet and then near the other pole of that magnet
Sure, here are at least four objects, one of which is an aluminum rod, and what might happen when they are brought near one pole of a magnet and then the other pole:
Aluminium rod , paper clip , copper coin , iron nail
1. Aluminum rod - When brought near one pole of a magnet, the aluminum rod will not be attracted to the magnet as aluminum is not magnetic. When brought near the other pole of the magnet, there will still be no attraction.
2. Iron nail - When brought near one pole of a magnet, the iron nail will be attracted to the magnet and stick to it. When brought near the other pole of the magnet, the iron nail will be repelled and pushed away.
3. Copper coin - When brought near one pole of a magnet, the copper coin will not be attracted to the magnet as copper is not magnetic. When brought near the other pole of the magnet, there will still be no attraction.
4. Paper clip - When brought near one pole of a magnet, the paper clip will be attracted to the magnet and stick to it. When brought near the other pole of the magnet, the paper clip will be repelled and pushed away.
To know more about magnet refer https://brainly.com/question/7802337
#SPJ11
What do you predict will happen to the brightness of the bulb as you turn the dial on the power supply and increase the voltage from zero? explain
As the voltage from the power supply is increased, the brightness of the bulb will also increase as a result of the increased flow of current through the filament, which causes it to emit more light.
How does increasing voltage affect the brightness of the bulb in the circuit?I predict that the brightness of the bulb will increase as the voltage from the power supply is increased, because the increase in voltage will result in an increase in current flowing through the bulb, which will cause it to produce more light.
This is because the brightness of the bulb is directly related to the power dissipated in the bulb, which is equal to the product of the voltage across the bulb and the current flowing through it, according to the relationship P = VI. As the voltage increases, the current flowing through the bulb will also increase, resulting in a brighter bulb.
Learn more about Voltage
brainly.com/question/29268884
#SPJ11
17. An object rotates with a period of 10 s. How many revolutions will make in 25s? A. 10 B. 150.5 D. 25 E. 2
The object will make 2.5 revolutions in 25 seconds hence the closest answer choice is E. 2.
To answer your question, we need to find the number of revolutions an object makes in 25 seconds, given that its period is 10 seconds. First, let's find the frequency (f) by using the formula f = 1/T, where T is the period. In this case, T = 10 seconds.
f = 1/10 = 0.1 Hz (revolutions per second)
Now, to find the number of revolutions in 25 seconds, we multiply the frequency (0.1 Hz) by the time (25 seconds):
Revolutions = 0.1 Hz * 25 s = 2.5 revolutions
Since the object can't complete half a revolution, it will make 2 full revolutions in 25 seconds. So, the correct answer is E. 2.
More on revolutions: https://brainly.com/question/25542457
#SPJ11
A ball of mass 4.60 kg moving with speed of 1.80 m/s in the x-direction hits a wall and bounces back with the same speed in the -x-direction. What is the change in momentum of the ball
The change in momentum of the ball is -16.56 kg·m/s .
The change in momentum of the ball can be calculated using the equation:
change in momentum = final momentum - initial momentum
Since the ball bounces back with the same speed but in the opposite direction, its final momentum will be equal in magnitude but opposite in direction to its initial momentum.
The initial momentum of the ball can be calculated using the formula:
initial momentum = mass x velocity
Therefore, initial momentum = 4.60 kg x 1.80 m/s = 8.28 kg·m/s in the positive x-direction.
The final momentum of the ball can be calculated in the same way:
final momentum = mass x velocity
Therefore, final momentum = 4.60 kg x (-1.80 m/s) = -8.28 kg·m/s in the negative x-direction.
Substituting these values into the equation for change in momentum:
change in momentum = -8.28 kg·m/s - 8.28 kg·m/s
= -16.56 kg·m/s
Therefore, the change in momentum of the ball is -16.56 kg·m/s (the negative sign indicating a change in direction).
Learn more about momentum
brainly.com/question/30487676
#SPJ11
A high permeability means that a porous medium offers a high resistance to flow through it.
T/F
The statement "A high permeability means that a porous medium offers a high resistance to flow through it" is false because it indicates that the porous medium has well-connected pore spaces, allowing fluids to flow more easily through it.
High permeability means that a porous medium offers low resistance to flow through it. Permeability is a measure of the ease with which fluids can pass through a porous medium, such as soil, rock, or sediment. It is typically quantified using a parameter called the permeability coefficient (often denoted by k).
A high permeability coefficient indicates that the porous medium has well-connected pore spaces, allowing fluids to flow more easily through it. In contrast, a low permeability means that the medium has a more tortuous or constricted pore network, which results in a higher resistance to fluid flow. Factors influencing permeability include pore size, shape, and arrangement, as well as the fluid's properties, such as viscosity.
Understanding permeability is crucial in various fields, including hydrogeology, petroleum engineering, and environmental engineering, as it plays a vital role in determining the movement and distribution of fluids, such as water and hydrocarbons, within the subsurface.
Learn more about permeability here: https://brainly.com/question/28452610
#SPJ11
