Which of the following describes the mechanical efficiency of a machine?

Who ever answers this will get brainliest and lots of point please help here it is: 1. A study was done to find if different tir

leva [86]

Answer:

1.

I: Type of tire tread

D: Breaking Distance

C: Model of car, material of road

2.

I: Person’s running speed

D: Time to run one mile

C: Distance of run (one mile)

3.

I: Amount of water

D: Height of bean plants

C: Soil type, amount of sunshine

4.

I: Temperature of oven

D: Time it takes for cake to bake

C: Batter, baking tin

5.

I: Amount of water

D: Amount of lemons

C: Soil type, environment, nutrients

6.

I: Amount of fertilizer

D: Amount of potatoes

C: Soil type, environment, amount of water

7:

I: Depth of lake

D: Temperature

C: Time of day, day of year

8.

I: Amount of lead in gasoline

D: Amount of pollution emitted

C: Amount driven by each car

9.

I: Amount of Vitamin A

D: Difference in weight

C: Other nutrients in diet, time elapsed between measurements

Explanation:

The independent variable is the thing in the experiment that the researcher changed. The dependent variable is the thing in the experiment that changes as a result of differences between the independent variable.

The controls are things that do no change between all variations of the experiment.

7 0

3 years ago

Convert the number into standard notation. What is the value? 2.4 × 10-4 =

Arisa [49]

When the notation is 10^-# you always move whatever the number is to the left of the decimal place

When the notation is 10^+# you always move whatever the number is to the right of the decimal place

2.4 x 10^-4 = .00024

You move 4 units to the left of the decimal place

The standard notation will be .00024

5 0

3 years ago

Read 2 more answers

Cones are photoreceptors that operate in lighted environments and can encode fine visual details. These photoreceptors are locat

qwelly [4]

The location of cones which are photoreceptors that operate operate in lighted environments is; in and around the fovea

<h3>Photoreceptors</h3>

Photo receptors are defined as special Neuro-epithelial cells that are located inside the retina of an eye.

Now, these photoreceptors are used for Visual Photo transduction which is simply a process that converts light into electrical signal right in the photo receptors of the eye.

Now, Cones are types of photoreceptors that require a significant amount of bright light and as such requires large amounts of photons to produce a signal.

This cones are usually located right at the center of the Retina which in and around the Fovea Centralis because Fovea contains only cones.

Read more about Photoreceptors at; brainly.com/question/939046

5 0

2 years ago

Which of the following statements correctly describes a difference between bacterial cells and animal cells?.

mezya [45]

Answer:

what are the options plz reply I will fully try to help u

6 0

3 years ago

suppose that a small town has seven burger shops whose respective shares of the local hamburger market are (as percentages of al

beks73 [17]

Answer:

5%

Explanation:

8 0

2 years ago