PHYSICS HIGH SCHOOL

PLS HELP!! Which correctly identifies a type of heat transfer shown in the figure above?
C = radiation
B = conduction
A = convection
A = radiation
PLS HELP!! Which correctly identifies a type of heat transfer - 1

Answers

Answer 1
Answer:

Answer:

conduction

Explanation:

  • Metals are good conductors of heat .
  • In the pic the thermal energy is conducted by the cooker and the food gets cooked.
  • Option B is correct
Answer 2
Answer:

Answer:

\sf B = conduction

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When a marble is at rest what happened

Answers

The marble will stay in place until another force pushes it

Answer: the marble will remain in place at a constant velocity of zero

Explanation:

Newton's first law states that a body at rest will remain at rest, and a body in motion will remain in motion in a straight line at a constant velocityunless acted upon by an outside force

A 10-kilogram bicycle is traveling at a speed of 2 m/s. what is the bikes kinetic energy?

Answers

We have: K.E. = 1/2 mv²
Here: m = 10 Kg
v = 2 m/s

Substitute their values, 
K.E. = 1/2 * 10 * 2²
K.E. = 1/2 * 10 * 4
K.E. = 20 J

In short, Your Answer would be 20 Joules

Hope this helps!

Your grandmother in Ireland sends you her favorite cookie recipe. Her instructions say to bake the cookies at190.5°C. To what Fahrenheit temperature would you set the oven to bake the cookies?

Answers

F=(9)/(5)C+32

F=(9)/(5)190.5C+32

F=342.9+32

F=374.9

374.9F=190.5C

Answer:

350 Degrees Fahrenheit

Explanation:

The distance from Earth to the Sun is 1.0 _____. light year parsec astronomical unit furlong

Answers

The correct answer is the 3rd option. The distance from Earth to the sun is called the astronomical unit. It is a unit of length symbolized as "au". The distance is defined as exactly 149597870700 meters. It is also used as a fundamental component in another unit called the parsec.

Answer:

C

Explanation:

Movement that occurs along a straight line is called:

Answers

linear motion! hope i helped

What is the mass of a pure platinum disk with a volume of 113 cm3? The density of platinum is 21.4 g/cm3.Give your answer in grams and kilograms.

Answers

The mass of the platinum if the volume is 113 cm³ and density is 21.4 g / cm³ is 2.418 kilograms or 2 kilograms and 418 grams.

What is density?

The density is the mass of a material substance per unit volume. d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.

As an illustration, the density of Earth is 5.51 grams per cubic centimeter, whereas the density of water is 1 gram per cubic centimeter.

Given:

The volume of the platinum disk, V = 113 cm³,

The density of platinum, d = 21.4 g / cm³

Calculate the mass using density and mass relation as shown below,

density = Mass of the platinum  / Volume of the platinum

21.4 = Mass of the platinum  / 113

Mass of the platinum = 21.4 × 113

Mass of the platinum  = 2418.2 g

As we know 1 kg = 1000 grams,

Mass of the platinum = 2418.2 / 1000

Mass of the platinum  = 2.418 kg

Thus, the mass of the platinum is 2.418 kg.

To know more about Density:

brainly.com/question/6329108

#SPJ2
Multiply the density with the volume. You get 2418.2 grams or 2.4182 kilograms :)
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