Physics, 30.09.2019 01:30 angie249

Amile is equivalent to 1.6 km. when you are driving at 60 miles per hour, what is your speed in meters per second?

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FIrst, just write down what we know :)

1. 1 mile = 1.6klm
2. There are 3600 seconds in an hr (60s x 60mins = 3600).

Now to get to meters per second (m/s) we need to first work out meters per hr (simply convert miles to klm and then multiply by 1000).

60 x 1.6 = 96 klm/hr x 1000 = 96,000 meters/hr

Now we know this, we can simply divide the meters per hr by how many seconds there are in 1hr to get meters per second:

96000 / 3600 = 26.67m/s

Answer from: 24chrim

The speed is 26.817 meters per second.

This is a Unit Conversion problem. Dimensionally speaking, Velocity is Length divided by Time. A Mile equals 1609 meters and a Hour equals 3600 seconds. We proceed to realize the conversion:

$x = 60\,\frac{mi}{h} \times 1609\,\frac{m}{mi} \times \frac{1\,h}{3600\,s}$

$x = 26.817\,\frac{m}{s}$

The speed is 26.817 meters per second.

Please see this problem related to Unit Conversion: link

Answer from: Quest

that is probably false!

Answer from: Quest

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

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