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3 years ago

13

35 POINTSS!!! PLSSSS HELLPPP!!!

1 answer:

Crazy boy [7]3 years ago

6 0

Answer:

T

beacuse:

Energy can be transferred from one object to another by doing work. ... When work is done, energy is transferred from the agent to the object, which results in a change in the object's motion (more specifically, a change in the object's kinetic energy).

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A grandfather clock keeps time using a pendulum consisting of a light rod connected to a small heavy mass. With a rod of length

german

Answer:

The length of the rod should be

$\frac{L}{4} \\$

Explanation:

Period of simple pendulum is given by

$T=2\pi\sqrt{\frac{l}{g}} \\$

We have

$\frac{T_1^2}{T_2^2}=\frac{l_1}{l_2}\\\\\frac{2^2}{1^2}=\frac{L}{l_2}\\\\l_2=\frac{L}{4} \\$

The length of the rod should be

$\frac{L}{4} \\$

5 0

3 years ago

Is the formula for velocity the same as speed or different?

a_sh-v [17]

Answer:

always same

Explanation:

velocity and speed are same upto some extend but velocity is vector while speed is scalar quantity

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2 years ago

Heart cells must contract simultaneously to move blood.

krek1111 [17]

Answer:

<u>A</u>

Explanation:

The heart cells must contract simultaneously to move blood.

This means that it needs to act fast and efficiently.

Therefore, the connections among heart cells are characterized by :

having many branches
having many communicating junctions

The correct option should be <u>A</u>

4 0

2 years ago

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How much of earths gravitational force acts on everyone and everything onboard of the international space station?

liraira [26]

B) Approx. 90%

The actual value is 0.89g

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3 years ago

A scientist is trying to predict the regions of the world most likely to see a decrease in natural resources from population cha

aleksley [76]

<u><em>Developed countries will see a decrease in natural resources, because their population will decrease.</em></u>

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3 years ago

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