PHYSICS HIGH SCHOOL

What is heat?What are it's units?​

Answers

Answer 1
Answer:

Answer:

As a form of energy, heat has the unit joule (J). The standard unit for the rate of heat transferred is the watt (W), defined as one joule per second.
Answer 2
Answer:

heat is a form of energy therefore the unit of heat is the same as that of energy has the CGS unit of heat is erg and its SI unit is Joule

relationship between Joule and erg is --

10 J = 10⁷ erg

other unit of heat are calories kilocolries

relationship \: between \: calorie \: and \: joule </p><p>1 calorie = 4 .18 \: j(or \: nearly \: 4.2 \: j \: ) \n \n 1 \: kilocalorie \: = 4.18 \: * 10 \: cube \: j

Related Questions

Which of the following groups of environmental science careers are most similar?a. Hydrologist, toxicologist, environmental lawyer b. Environmental physician, environmental veterinarian c. Environmental activist, oceanographer, ecologist d. Oceanographer, Environmental journalist
HELP!!! In the "Monster study," what did psychologists tell the group of orphans who did not suffer from stuttering?A.They were told that they weren’t really stutterers.B.They were told that they had very severe cases of stuttering.C.They were told that stuttering could be overcome with practice.D.They were told that their parents were responsible for their stuttering.Please select the best answer from the choices providedABCD
Choose most accurate statement:a. Waves can exist in liquids and gases only. b. Waves can exist in liquids and solids only. c. Waves can exist in solids and liquids only. d. Waves can exist in solids, liquids, and gases.
pyrex graduated cylinder has a volume of exactly 200 ml at 0° celsius. if it's temperature increased to 100° celsius what's volume increase or decrease compute the change in volume ?
The gravitational potential energy of an object Is always measured relative to the

a motorcycle accelerates from 15 m/s to 20 m/s over a distance of 50 meters. what is its average acceleration?

Answers

For this, you need the v-squared equation, which is v(final)² = v(initial)² + 2aΔxThe averate acceleration is thus a = (v(final)² - v(initial)²) / 2Δx = (20² - 15²) / 2(50) = 175 / 100 = 1.75 m/s²So the average acceleration is 1.75 m/s²

1 kg of rice is weighed by​

Answers

Answer:

beam balance

Explanation:

A beam balance compares the sample mass with a standard reference mass

Any projectile always has a constant horizontal acceleration of _______.A. 9.81 m.s^2
B. 0 m/s^2
C. -9.81 m/s^2
D. It is not constant.

Answers

Answer: B. 0 m/s^(2)

Explanation:

When we talk about projectile motion, we have to deal with parabolic motion, which has two components: vertical and horizontal.

In the case of Earth, the acceleration is due gravity, which is constant and directed downwards (vertically) and have a value of 9.8 m/s^(2).

Now, in the case of the horizontal component, the acceleration will always be zero.

This is because we are dealing with parabolic movement, the x-component of the velocity remains the same (hence, there is no acceleration), while the y-component always change because it is affected by the acceleration due gravity that acts verticaly.

Question number 6 :

Is my answer right?? Plzz help

Answers

No.  You have the units wrong.

Example with numbers: 

When you multiply  (1/9) by 2, you get 2/9 .

With units:

When you multiply  (m/s) by (kg), you get (kg-m/s).

At sea level, water ______________ at 100°C.

Answers

Answer:

boils

Explanation:

Vapour pressure of the liquid determines the temperature at which a liquid will boil. When water boils the pressure of the gas above it becomes equal to the vapour pressure of the liquid. This causes the inter-molecular bonds of water to break down and the water starts to evaporate. Water boils at 100°C at sea level however if you were to reach a higher altitude water would boil at a lower temperature as the air pressure will be lower.
At sea level water boils at 100 degrese celcius

A bicycle rider travels 50.0 km in 2.5 hours. What is the cyclists speed

Answers

Hi,
Recall the formula V=d/t, where V stands for velocity or speed, d stands for distance and t stands for time. By substituting your values you get: V=50.0km/2.5h, which equals to 20km/h.
Other Questions
A proton has a charge of 1.6 × 10-19 C and a mass of 1.67 × 10-27 kg. A proton moves with velocity 1.8 × 105 m/s in the z-direction. A magnetic field with B = 2.1 × 10-1 T points in the y-direction. Find the magnitude and direction of the magnetic force on the proton.What is the angle between the proton’s velocity and the magnetic field?45°90°180°50°I'll report you if you don't actually help. I'd like an actual explanation, please.
Ask a questioWhat are powers called that the framers of the Constitution felt existed and were expected to be held by the national government due to historical precedence and common practice?a. expressed b. implied c. intended d. inherent n here.
The greater the mass is in an object, the higher resistance to a change in movement the object will have. Please select the best answer from the choices provideda. True b. False
Every 10 seconds a pendulum completes 2 cycles. what are the period and frequency of this pendulum