
ENERGIA 2n ESO

Quiz
•
Physics
•
2nd Grade
•
Hard
Rosalia Muñoz
Used 15+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La unitat d'energia en el sistema internacional és el ...
Newton (N)
Watt (W)
Joule (J)
Kelvin (K)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quin d'aquests vehicles té més energia cinètica?
Cotxe blau
La moto
Cotxe vermell
CAp d'ells té energia cinètica
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina de les següents expressions ens permet calcular l'energia cinètica d'un cos?
Ec = 1/2 · m · v
Ec = 1/2 · m · g · h
Ec = m·g·h
Ec = 1/2 · m · v2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és l'expressió que ens permet calcular l'energia potencial gravitatòria d'un cos?
Ep = m · g · h
Ep = 1/2 · m · g · h
Ep = 1/2 · m · v2
Ep = m · v2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una avioneta de 480 kg vola a 39 m/s a una altura de 140 m. Quina és la seva energia potencial?
685,6 J
365 040 J
658,6 J
480 J
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una avioneta de 480 kg vola a 39 m/s a una altura de 140 m. Quina és la seva energia cinètica?
685,6 J
365 040 J
658,6 J
480 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una bombeta transforma l'energia [...] en energia [...].
[tèrmica] [llumínica]
[elèctrica] [llumínica]
[mecànica] [tèrmica]
[nuclear] [elèctrica]
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