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melomori [17]
3 years ago
9

Electromagnetic Energy Example One Activity:

Physics
2 answers:
stich3 [128]3 years ago
6 0
One type is microwaves

Microwaves are used for radio and radar communications
Also used to cook food
diamong [38]3 years ago
6 0

Electromagnetic Energy Example One

Activity:  Cellphones

Type of electromagnetic energy:  Radio waves

Description of use: You use cellphones to make calls to other people

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State one advantage and disadvantage of friction
yuradex [85]

Answer:

  1. Advantage: Helps us to walk without slipping.
  2. Helps machines work

Disadvantage:

  1. We slip on a wet floor.
  2. Causes the smoothness of tires and smoothness of shoes soul.

5 0
3 years ago
Select the correct answer.
arsen [322]

Answer:

C

Explanation:

Force is a vector quantity. So, it has magnitude and direction which can also be describe as strength and direction

5 0
3 years ago
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What is weight? and what is mass
777dan777 [17]
Hey :)

Weight is the force acting on the object due to gravity.

Mass is the measure of the quantity of matter that a body or an object contains

Hope this helps :)
3 0
3 years ago
A powerful storm attacks the coast, with winds blowing at 89 miles per hour. what is the velocity of these winds?
PtichkaEL [24]
Let's convert the speed of the winds into SI units.
We know that
1 miles = 1609 m
1 hour = 3600 s
So, the velocity written in m/s is
v=89  \frac{miles}{h} =89  \frac{miles}{h} \cdot  \frac{1609 m/miles}{3600 s/h}=39.8 m/s
6 0
4 years ago
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What is the law of inertia for rotating systems in terms of angular momentum?
saw5 [17]

Answer:

Explanation:

The law of inertia states that if an object is in motion will remain in motion unless an external force is applied to it.

law of inertia for the rotating system in terms of angular momentum states that the angular momentum of a system will remain the same unless an external torque is applied to the system.

External Torque either increases or decreases the angular velocity thus changing angular momentum.

6 0
3 years ago
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