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tigry1 [53]
4 years ago
15

You have two objects . Each is composed of a different element what could you use to identify these elements

Physics
1 answer:
Tpy6a [65]4 years ago
4 0

Answer:

microscope

Explanation:

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Reika [66]

Answer:

dont do it to me i wont do it to you :)

Explanation:

5 0
3 years ago
A simple pendulum consists of a 2 kg bob attached to a 1.5 m long string. How much time (in s) is required for this pendulum to
Charra [1.4K]

Answer:

6.15 s

Explanation:

The period of a simple pendulum is given by the equation

T=2\pi \sqrt{\frac{L}{g}}

where

L is the length of the pendulum

g is the acceleration of gravity

For the pendulum in this problem,

L = 1.5 m (length)

g=9.8 m/s^2 (acceleration due to gravity on Earth)

Therefore, its period is

T=2\pi \sqrt{\frac{1.5}{9.8}}=2.46 s

And therefore, the time taken for the pendulum to complete 2.5 oscillations is equal to 2.5 times the period:

t=2.5T=(2.5)(2.46)=6.15 s

3 0
3 years ago
What name is given to the rate of flow of<br> electric charge?
RSB [31]

Answer:

<h2>Electric charge</h2>

Explanation:

The rate of the flow of electric charge is known as electric current. <u>By convention, the direction of electric current is always the direction of net flow of positive charge.</u>

3 0
3 years ago
Convection currents occur when _________ energy transfers between two parts of a fluid
valentinak56 [21]

Answer:

heat

Explanation:

7 0
3 years ago
Which temperature is lower ? -44°c -55°c​
Mice21 [21]

Answer:

-55 degrees c

Explanation:

because negative numbers work in reverse and that makes -55 actually lower.

6 0
3 years ago
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