Awagon having a mass of 91 kg is accelerated across a peel road of 0.97. what net force act on the wagon horizontally

The net force on the wagon will be 88.27N

Explanation:

Mass of Wagon = m = 91kg  

Acceleration of wagon = a = 0.97kgm/s^2  

Net force on wagon = F = ?

According to Newton’s second law of motion:

“When a force is applied on a body, acceleration is produced in it in the direction of force”. Mathematically, it can be represented as:  

                                            F = ma      ……… (i)

By putting values in equation (i),  

                                           F = (91)(0.97)

                                           F = 88.27N

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia