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olganol [36]
2 years ago
14

What is the difference between speed and velocity?​

Physics
1 answer:
Vikentia [17]2 years ago
3 0

\huge \sf \color{purple}{Ѕрееᴅ:}

  • Speed is simply the rate of change of motion

  • Speed is the distance traveled by a body in a unit time.

\huge \sf \bold \color{purple}{Ѵеʟосітч:}

  • Velocity is direction - aware & it is rate of change of position of an object.

  • Velocity is the displacement coved by a body in a unit time.

<h3>Hope Helpful~</h3>
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You have a rock sample and analyze it for the presence of radioactive isotopes in order to determine when it was formed. You fin
Firdavs [7]

Answer:

the decay of half of the nuclei only a half-life has passed ,  b) in rock time it is 1 108 years

Explanation:

The radioactive decay is given by

         N = N₀ e^{\lambda t}

If half of the atoms have decayed

       ½ N₀ = N₀ e^{\lambda t}

       ½ = e^{\lambda t} ₀

       Ln 0.5 = - λ t

       t = - ln 0.5 /λ

The definition of average life time is

      T_{1/2}= ln 2 / λ

       λ = ln 2 /  T_{1/2}

       λ = 0.693 / 100 10⁶

       λ = 0.693 10⁻⁸ years

We replace

       t = -ln 0.5 / 0.693 10⁻⁸

       t = 10⁸ years

We see that for the decay of half of the nuclei only a half-life has passed

b) in rock time it is 1 108 years

8 0
3 years ago
A car is rounding a circular curve of radius r on a banked turn. As the drawing indicates, there are two forces acting on the ca
katovenus [111]

Answer:

The centripetal force is provided by the x component of the Normal Force.

Explanation:

The centripetal force is a force that makes something to follow a cicular trayectory, this force is always oriented to the center of the circunferency-

So you can see in the image that i attached there is only two forces actting on the car, the normal force and the weigth, and as you can see the y component of the normal force cancels with the weigth, but the x component of the normal force (as it has nothing to cancel with) makes the car follow the circular trayectory so this is the centripetal force.

6 0
4 years ago
What wound increase the intensity of a tornado
TEA [102]
<span>An influx of warm, moist air into the tornado's parent thunderstorm may cause the tornado to intensify or entering a valley.</span>
7 0
3 years ago
Read 2 more answers
Look at the picture can someone pls help me By the way this class his career exploration’s
miskamm [114]

Answer:m

Ramiro: Technology

Bradford: Education

Dinah: Agriculture

Zella: Architecture

Percy: Business

Explanation:

4 0
4 years ago
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A 30 kg child climbs 15 meters up a tree. When he looks around, when is the child’s potential energy ?
frosja888 [35]

Answer:

4500

Explanation:

from the question,

m=30

h=15

g=10(constant)

using the formula P. E = mgh

therefore, P. E = 30×10×15 =4500

therefore the potential energy of the child is 4500

3 0
3 years ago
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