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xeze [42]
3 years ago
7

Question 5 help please

Physics
1 answer:
IrinaVladis [17]3 years ago
5 0

Answer:

It is another machine that helps the main machine. Hope that helps!

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A vertical spring stretches 9.6 cm when a 1.3 kg block is hung from its end. (a) Calculate the spring constant. This block is th
tatiyna

Answer:

F = - K x

a) K = 1.3 kg * 9.8 m/s^2 / .096 m = 133 kg/sec^2

b)  ω = (K/m)^1/2     angular frequency of SHM

ω = (133 / 1.3)^1/2 = 10.1 / sec

f = 2 π ω = 6.28 * 10.1 / sec = 63.5 / sec

P = 1/f = .0157 sec

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3 years ago
Please Help! When a metal is heated, the free electrons gain _____________.
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It’s B potential energy
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Which type of waves from the electromagnetic spectrum are used in heat lamps and heat sensing devices?
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According to newtons law of action reaction what is the most likely to occur if to ice skaters with approximately the same mass
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They would keep on moving but unless being acted upon or stop slowly because of the friction

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3 years ago
A quantity that has direction as well as size is a scalar.<br><br><br> True or False
lisov135 [29]

Answer:

A quantity that does not depend on the direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude, and a direction. Scalar quantities have only a magnitude. When comparing two vector quantities of the same type, you have to compare both the magnitude and the direction.

Scalar quantities only have magnitude (size). Scalar quantities include distance...

A quantity that is specified by both size and direction is a vector. Displacement includes both size and direction and is an example of a vector. However, distance is a physical quantity that does not include a direction and isn't a vector.

Explanation:

hope this helps...

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