
Velocità e accelerazione
Authored by Daniela Saggin
Science
8th Grade
Used 79+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ciclista viaggia a 20 km/h. Quanto impiega a percorrere 5 km?
100 s
15 min
69 min
20 min
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un treno veloce parte da Milano alle 13.30 ed arriva a Bologna alle 14.45. Sapendo che la distanza percorsa è di 210 km, calcolare la velocità media
200 km/h
150 km/h
2,8 km/h
168 km/h
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ghepardo sta correndo alla velocità di 5 m/s. Accelera fino a raggiungere i 20 m/s in 10 secondi.
Calcolare l'accelerazione
1,5 m/s2
2 m/s2
1 m/s2
3 m/s2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un'auto si sta muovendo in autostrada alla velocità di 95 km/h. Calcolare in quanto tempo percorrerà una distanza di 133 km.
1 h e 24 min
1 h e 10 min
1 h e 30 min
1 h e 15 min
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un treno si sta muovendo alla velocità di 100 km/h. Frena e in 10 secondi passa alla velocità di 64 km/h. Calcolare l'accelerazione de treno.
-0,8 m/s2
-1,5 m/s2
-2 m/s2
-1 m/s2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual'è l'accelerazione nei tre intervalli 0-4 sec, 4- 6 sec e 6-8 sec?
2 m/s2 , 0 m/s2 -4 m/s2
2 m/s2 , 0 m/s2 4 m/s2
2 m/s2 , 1 m/s2 -4 m/s2
-2 m/s2 , 0 m/s2 4 m/s2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
un automobile accelera passando da una velocità di 2 m/s a una velocità di 17 m/s in 1 minuto. Quanto vale la sua accelerazione media?
30 m/s2
15 m/s2
-30 m/s2
0,25 m/s2
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