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2 years ago

Classify each of the following hydro carbons as alkane,alkene or alkyne

Physics

1 answer:

timofeeve [1]2 years ago

5 0

Answer:

a.)alkene

b.)alkane

d.)alkana

about c..I think there is something wrong with the question

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Suppose you run into a wall at 4.5 meters per second (about 10 mph). Let's say the wall brings you to a complete stop in 0.5 sec

STatiana [176]

Answer with Explanation:

We are given that

Initial velocity,u=4.5 m/s

Time=t =0.5 s

Final velocity=v=0m/s

We have to find the deceleration and estimate the force exerted by wall on you.

We know that

Acceleration= $\frac{v-u}{t}$

Using the formula

Acceleration= $a=\frac{0-4.5}{0.5}$

deceleration=a= $-9m/s^2$

We know that

Force =ma

Using the formula and suppose mass of my body=m=40 kg

The force exerted by wall on you

Force= $40\times (9)=360N$

3 0

2 years ago

Alexis is a scientist who is studying solid-state physics. Which activity would she most likely do as a part of this research? O

Ann [662]

Answer:

pretty sure its studying the atomic structure of a solid carbon dioxide. so c

Explanation:

8 0

2 years ago

An object will begin moving from rest when acted upon by which forces?

denis23 [38]

Answer:

C. The gravity acceleration is in the same direction as the force of gravity, and thus toward the center of the earth.

Explanation:

[ More info.- It doesn't affect the body when it is at the rest, and when it is in motion, it acts toward the center of the Earth and it's component is known as "Centripetal force" ]

UwU

3 0

2 years ago

Can someone help me on how to do this?

Galina-37 [17]

Explanation:

Recall that

$1\:\text{micron} = 1\:\mu\text{m} = 10^{-6}\:\text{m}$ so the speed of the bacterium is

$v = \dfrac{6.82×10^{-6}\:\text{m}}{3.5\:\text{s}} = 1.9×10^{-6}\:\text{m/s}$

Next, we convert this speed to km/hr. Recall that

$1\:\text{km} = 1000\:\text{m}$

$1\:\text{hr} = 60\:\text{minutes} = 3600\:\text{s}$

Therefore,

$1.9×10^{-6}\:\dfrac{\text{m}}{\text{s}}×\left(\dfrac{1\:\text{km}}{1000\:\text{m}}\right)×\left(\dfrac{3600\:\text{s}}{1\:\text{hr}}\right)$

$= 6.8×10^{-6}\:\text{km/hr}$

8 0

2 years ago

Average velocity equals distance<br> travelled divided by<br> speed<br> time

Ostrovityanka [42]

Answer: The average speed of an object is defined as the distance traveled divided by the time elapsed. Velocity is a vector quantity, and average velocity can be defined as the displacement divided by the time

HOPE THIS HELPS! :)

PLZ give brainlyest :)

5 0

3 years ago

Read 2 more answers