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sergejj [24]
2 years ago
15

Define reference point ​

Physics
1 answer:
Fynjy0 [20]2 years ago
8 0

Answer:

A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point.

Hope this helps:)

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Numerical problems:
Hatshy [7]

Answer:

this is answer please mark me as brainlest

Explanation:

A force of 500N acts on the area of 2.5m2; calculate the pressure

exerted,

(Ans: 200 Pa]

b. Calculate the force applied when 400 Pa of pressure is exerted by a box

of surface area 2m2.

(Ans: 800 N]

The weight of a stone is 1400N. If it exerts a pressure of 700 Pa, calculate

the area.

(Ans: 2m]

d. A force of 2000 N acts on 5m² surface area. Calculate the pressure

exerted.

(Ans: 400 Pa]

c.​

7 0
3 years ago
The density of gold is 19.3. G/cm(3). If a nugget of iron pyrite and nugget of gold each have a mass of 50 g, what can you concl
tangare [24]
The pyrite will be bigger, because its density is much lower.

I <em>do</em> know that the gold's volume will be 2.5906 (With a bunch more numbers after it)

50 divided by 19.3 = 2.5906
5 0
3 years ago
Please answer. Thanks
Brilliant_brown [7]
I believe #1. is the answer " Mitosis and specialization", because all the information needed for growth, development, and reproduction is present in a Zygote
8 0
3 years ago
A car traveling at 60 km/h will skid 30 m when its brakes are locked. if the same care is traveling at 180 km/h, what will be th
Flauer [41]
The first car travels at 60km/h and skid at 30m away from the starting point while another car is also traveling at 180km/h. Now, we need to solve for the skidding distance.
We assigned variables such as:
V1=60km/h
V2=180km/h
Skid1=30m
Skid2=?
We solve this by ratio and proportion method such as shown below:
V1/V2=skid1/skid2
60/180=30/skid2
skid2=(30*180)/60
skid2=90meters

Th answer is 90 meters.
3 0
3 years ago
Read 2 more answers
The batteries in the figure above are connected in​
Elena-2011 [213]
The answer is a, series circuit.
5 0
4 years ago
Read 2 more answers
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