Physics and chemistry

Quiz
•
Physics, Chemistry
•
7th Grade
•
Hard
Standards-aligned
ANA RUBIO
Used 111+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the speed of a sound is 340 m/s, how far from us would a person be if it takes us 5 s to hear her cries?
1700m
300m
4560m
1km
Tags
NGSS.HS-PS4-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Sun is 150 000 000 km from Earth. Calculate the minutes light takes to reach the Earth. The speed of the light is 3 · 108 m/s.
15 min
8.33 min
20 min
3 min
Tags
NGSS.HS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object is moving with a velocity 10 m/s in the negative direction of axis x. The object is initially at point A in x = 4 m . Find the position of the object at 5 s.
37 m
-46 m
20 m
-20m
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object is moving with a velocity of 23 m/s in the positive direction of axis x. The final position of the object is 8 m. Which was the initial position if the traveled time is 5 s?
-107 m
55m
175m
-68m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object is moving with constant velocity along axis x. The initial position is 5 m and the final position of the object is 13 m . Which is its velocity if the traveled time is 4 s?
-2m/s
2 m/s
-3m/s
8 m/s
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Judith drives from Plymouth to Southampton, a
distance of 260 km, in 4 hours. She then drives from
Southampton to London, a distance of 145 km, in 1
hour and 30 minutes. Determine her average speed
for each journey.
1) She drove with an average speed of 65 Km/h in the first part and 96,7 Km/h in the second part.
2) The total average speed of the journey is 80,8 Km/h
3) None of the previous answers.
4) The 1st and 2nd choice are right.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car is at rest and in10 seconds reaches a velocity of 20m/s. Which is its acceleration?
2 m/s2
2 m/s
3 m/s2
5 m/s2
Tags
NGSS.HS-PS2-1
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