You are grilling hamburgers for a neighborhood cookout. What type of energy transfer makes the grill marks on the hamburgers? Group of answer choices

Convection

Conduction

Radiation

Radiation

Explanation:

Radiation refers to the transfer of heat from one source to another material. The transfer of heat energy from the sun to the earth is called radiation. The grilling of the hamburgers is an example of the radiation as in grilling no direct heat is involved instead the radiations or flames beneath the grilling barbeque burn or grill the hamburgers. Fumes or flames of a charcoal transfer radiations to the grilling hamburgers.

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.