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Physics, 06.03.2021 09:20 ysabel0420

Which would be the most appropriate description of how energy is distributed when a torch is turned on? A 70% light energy, 30% thermal energy
B 70% thermal energy, 30% electrical energy
C 65% light energy, 30% thermal energy
D 40% thermal energy, 55% light energy

1) Which of the following is a form of kinetic energy?
A Motion
B Chemical
C Elastic
D Nuclear

2) The energy we receive from the sun includes:
A electrical and sound energy.
B thermal and nuclear energy.
C electrical and light energy.
D thermal and light energy.

3) The petrol needed to make a car move is a form of:
A kinetic energy.
B chemical potential energy.
C thermal (heat) energy.
D elastic potential energy.
E gravitational potential energy.

4) When a bicycle skids to a stop, its kinetic energy is mostly transformed into:
A heat and sound.
B potential energy.
C sound energy.
D heat and light.

5) The faster an object moves:
A the more potential energy it has.
B the more kinetic energy it has.
C the faster its particles vibrate.
D the cooler it gets.

6) When you clap your hands, the kinetic energy is transformed into:
A heat and light.
B heat and potential energy.
C sound and heat.
D sound and elastic potential energy.

7) When you place a metal saucepan on the heating element of a stove, heat is transferred from the element to the saucepan by:
A reflection.
B convection.
C conduction.
D radiation.

8) Which of the following can be described as being luminous :
A Streetlights (turned on)
B A road sign
C The moon
D Water

9) In the burning of fireworks during New Year displays, chemical potential energy is converted into:
A heat, light and sound energy.
B light and sound energy.
C sound and heat energy.
D gravitational potential energy and light.

Answers

ansver
Answer from: Pipemacias9995

Explanation:

1) A motion

2) C Electrical and light energy

3) A kinetic energy

4) A heat and sound

5)B the more kinetic energy it has

6)C sound and heat

ope all of them are correct

ansver
Answer from: Quest

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

ansver
Answer from: Quest

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

An object is located 5.0 cm from a convex lens. the lens focuses light at a distance of 10.0 cm. wha

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Which would be the most appropriate description of how energy is distributed when a torch is turned...