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SCIENCE (Pls answer quickly and DON'T ANSWER IF YOU DONT BECUSE YOU ARE DEPENDING TO POINTS. And pls answer this ASAP.) I WILL MAKE THE REAL ANSWER BRAINLIEST


1. A car traveled 30 kilometers for 2 hours, what is its average speed?

A. 4.2 m/s

B. 8.4 m/s

C. 15.0 m/s

D. 30.0 m/s


2. What does a traffic sign of 60 km/h on a road mean?

A. A car may travel more than 60 km/h.

B. A car in not allowed to have a speed of 60 km/h.

C. The minimum speed a car may travel is 60 km/h.

D. The Maximum speed a car may travel is 60 km/h


3. Helena wants to measure the length of her pencil. What should she use?

A. Centimeter.

B. Kilometer.

C. Meter.

D. Gram.


4. What shows speed?

A. 15 m/s

B. 15 m

C. 15 m North

D. 15 m2


5. What unit is preferably used to measure the distance between to cities?

A. Centimeters

B. Kilometers

C. Meters

D. Mile


Sagot :

Answer:

1. speed = distance / time

speed = 30/2

speed = 15.0 m/s (c)

2. The maximum speed a car may travel is 60 km/h (d)

3. A. Centimeter

4. A. 15 m/s

5. B. Kilometers

Answer:

1. C

2. D

3. A

4. A

5. A

im not that sure