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topjm [15]
3 years ago
13

Define the following:

Physics
1 answer:
Andrej [43]3 years ago
6 0

Answer:

Variable- not consistent or having a fixed pattern; liable to change

Data- facts and statistics collected together for reference or analysis

Control- a group or individual used as a standard of comparison for checking the results of a survey or experiment

Technology- the application of scientific knowledge for practical purposes, especially in industry

Hypothesis- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation

Physical Science- the sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects

Experiments- a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact

Explanation:

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A circuit is constructed with six resistors and two batteries as shown. the battery voltages are v1 = 18 v and v2 = 12 v. the po
VladimirAG [237]

Answer:

V4=9.197v

Explanation:

Given:

V1= 18v ,V2= 12v ,r1=r5=58ohms ,r2=r6=124ohms , r3=47ohms ,r4= 125ohms

V4= I4R4 = V2/(R4 + R5)×R4

V4= 12×125 /(125 + 58)

V4=1500/183 =9.197v

5 0
3 years ago
The use of gravity waves, which do not interact with matter in the way electromagnetic waves do, hopefully will enable astronome
Naddika [18.5K]

Answer:

A

Explanation:

as electromagnetic do they can obey wave property thus makes easy to study as due to reflection property makes easy study of shapes

3 0
4 years ago
Which concept rejects existing cultural patterns in society and promotes moving away from them?
yawa3891 [41]
The answer to this item is letter "C. counterculture". Those who are believers in this concept persuade individuals to run counter or move away from the norms that are preset or established in the society. The counterculture may also pertain to certain beliefs, styles, values, and attitudes that is varied from the prevailing culture. 
8 0
3 years ago
The wave property that is related to the height of a wave is the
DedPeter [7]

Answer:

Amplitude

Explanation:

The amplitude is maximum height a wave is measured from its rest position.

3 0
4 years ago
A 248-g piece of copper is dropped into 390 mL of water at 22.6 °C. The final temperature of the water was measured as 39.9 °C.
Sedaia [141]

Answer:

335°C

Explanation:

Heat gained or lost is:

q = m C ΔT

where m is the mass, C is the specific heat capacity, and ΔT is the change in temperature.

Heat gained by the water = heat lost by the copper

mw Cw ΔTw = mc Cc ΔTc

The water and copper reach the same final temperature, so:

mw Cw (T - Tw) = mc Cc (Tc - T)

Given:

mw = 390 g

Cw = 4.186 J/g/°C

Tw = 22.6°C

mc = 248 g

Cc = 0.386 J/g/°C

T = 39.9°C

Find: Tc

(390) (4.186) (39.9 - 22.6) = (248) (0.386) (Tc - 39.9)

Tc = 335

7 0
3 years ago
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