Quina és la fórmula de l'energia cinètica?
Quizizz Física i Química

Quiz
•
Physics, Chemistry
•
8th Grade
•
Medium
e A
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ec=1/2·m·v
Ec=m·g·h
Ec=1/2·m·v2
Ec=m·v2
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Calcula l'energia potencial d'un cos de 30 kg de massa que es troba a una altura de 20 m.
5881 j
6470 j
1293 J
5880 J
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Que moviment té la terra?
Moviment rectilini accelerat
Moviment curvilini accelerat
Moviment rectilini uniforme
Moviment curvilini uniforme
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Calcula la densitat d'un cos que té un volum de 2cm3 i una massa de 25 g. Dóna el resultat en unitats del S.I.
12,5 kg/m3
12500 kg/m3
0,0125 kg/m3
0,00125 kg/m3
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
A quina altura té que estar elevat un cos de pes 840 kg per que la seva energia potencial sigui de 34,354 J?
4,17 m
3,61 m
4,00 m
2,78 m
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Pasa 27 k/h a m/s
8,10 m/s
7,5 m/s
5,4 m/s
6,2 m/s
7.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Com es diu el pas de gas a sòlid?
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