УмнаяВыхухоль
24.12.2022 04:20

For each of the following case studies name the:- (A) independent variable (B) dependant variable
(C) Control variable (D) Draw a
results table for each.
Extension: For each of the variables state if it is continuous or discrete
Can you think of any ways to improve the experiments?
Case study 1 - Measuring gravity.
The aim of this experiment is to find out how fast objects of different masses take to fall from height. To conduct this experiment we used a number of different sized steel ball bearings, which had different masses. Each ball bearing was weighed on scales, before being dropped from a marker exactly 2 m from the floor. The time the ball baring took to drop was timed on a stopwatch, and repeated 3 times for each ball-bearing to gain an average time.

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Ответ:
hanum27082005
05.04.2023 18:34
The air must be kept clean.
Water must be used efficiently.
The garbage must be put in special containers.
Cars should not be parked near houses.
Trees must not be cut in big numbers in forests.

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The air is kept clean and we can breathe.
The garbage is put in special containers and we can remain healthy.
Cars are not parked near our houses and we can have cleaner air.
Trees are not cut in big numbers and we have enough air to breathe,
Water is used efficiently and we have enough water to drink.
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Ответ:
Alexander0prokof
28.11.2020 19:45

ответ:1.1) catering

1.2) education

1.3) fit

1.4) punctual

1.5) solar power

1.6) global warming

1.7) recycle

1.8) pollution

1.9) painter

1.10) fashion designers

1.11) stone

1.12) ice

2.1) agriculture

2.2) performing arts

2.3) the media

2.4) construction

2.5) catering

2.6) education

2.7) law

2.8) tourism

3.1) pollution

3.2) improvement

3.3) development

3.4) protection

4.1) is going to

4.2) is going to

4.3) is going to

4.4) are going to

4.5) are going to

5.1) won't

5.2) will

5.3) will

5.4) will

5.5) won't

6.1) What time are you meeting your friends this evening?

6.2) What are you doing after school?

6.3) When are you going on holidays?

6.4) Are you staying at school tomorrow?

Объяснение:

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