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Test la fizica - Distanta. Durata. Viteza medie.

Authored by Manuela Donici

Physics

6th Grade

Used 31+ times

Test la fizica - Distanta. Durata. Viteza medie.
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15 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Media Image

Un corp se afla in repaus fata de un alt corp, numit de referinta, atunci cand:

isi modifica in timp pozitia fata de corpul de referinta ales

nu isi modifica in timp pozitia fata de corpul de referinta

isi modifica viteza fata de corpul de referinta in orice moment de timp

are viteza egala cu 0 m/s

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Instrumentul de masura pentru durata este:

ceasul

cronometrul

cantarul

termometrul

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Instrumentul de masura pentru distanta este:

ruleta

ceasul

clepsidra

kilometrul

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Unitatea de masura pentru durata este:

secunda (s)

ora (h)

minutul (min)

ceasul

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Unitatea de masura pentru viteza medie este:

km/h

km/min

m/s

h/min

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Relatia de definitie pentru viteza medie este:

vm=dΔtv_m=\frac{d}{\Delta t}

vm =x2 x1t2t1v_m\ =\frac{x_2\ -x_1}{t_2-t_1}

vm =Δtdv_m\ =\frac{\Delta t}{d}

vm=x2t2x1t1v_m=\frac{x_2-t_2}{x_1-t_1}

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Distanta pe care o va parcurge automobilul din figura este de:

5 m

5 km

5000 m

0 h

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