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Simora [160]
3 years ago
11

The position of a particle changes linearly with time, i.e. as one power of t, as given by the following: h(t) = ( 4.1 t + 5.5 )

meters. Find the speed of the particle, in meters per second.
Physics
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:

   v = 4.1 m / s

Explanation:

Velocity is defined by the relation

          v =\frac{dx}{dt}

 we perform the derivative

         v = 4.1 m / s

Another way to find this magnitude is to see that the velocity on the slope of a graph of h vs t

        v = \frac{\Delta x}{\Delta t}

        Δx = v Δdt + x₀

        h=   4.1 t + 5.5

       

         v = 4.1 m / s

         x₀ = 5.5 m

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A 0.22-caliber handgun fires a 28-g bullet at a velocity of 765 m/s. Calculate the de Broglie wavelength of the bullet.
ser-zykov [4K]

Answer:

de Broglie wavelength of the bullet is 3.093 x 10⁻³⁵ m

Explanation:

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de Broglie wavelength of the bullet is given by;

λ = h / mv

where;

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Answer:

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232

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\frac{v \: final \: - v \: initial }{time} = \: a
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