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KIM [24]
3 years ago
6

Existing rocks can become sedimentary rocks when they are subjected to which conditions?

Physics
1 answer:
Svetllana [295]3 years ago
4 0
The correct answer is C. Since that really was a tricky question I made sure it was correct by checking on Google. Hope I helped! - Amber
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A 326 g object is attached to a spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the
Basile [38]

Answer:

a) v_{max}=5.98\frac{m}{s}

b) k=205.92\frac{N}{m}

c) A=0.24m

Explanation:

a) In the equilibrium position of the system, that is when the spring is not elongated, the potential energy is zero. Therefore, the total energy of the system is the maximum kinetic energy:

E=K_{max}\\E=\frac{mv_{max}^2}{2}\\v_{max}=\sqrt{\frac{2E}{m}}\\v_{max}=\sqrt{\frac{2(5.83J)}{0.326kg}}\\v_{max}=5.98\frac{m}{s}

b) The force constant of the spring can be calculated from the natural frequency of the system:

\omega^2=\frac{k}{m}\\k=m\omega^2

Recall that \omega=\frac{2\pi}{T}\\, that is the distance traveled in one revolution divided into the time of one revolution. Replacing and solving for k:

k=\frac{m4\pi^2}{T^2}\\k=\frac{(0.326kg)4\pi^2}{(0.25s)^2}\\k=205.92\frac{N}{m}

c) The maximum speed is directly proportional to the amplitude of the motion:

v_{max}=A\omega\\A=\frac{v_{max}}{\omega}\\A=\frac{(v_{max})T}{2\pi}\\A=\frac{(5.98\frac{m}{s})0.25s}{2\pi}\\A=0.24m

3 0
3 years ago
Which of the following temperatures is equivalent to 0 Kelvin?
Pavlova-9 [17]

Answer is B -273 degrees C

6 0
3 years ago
if a cat is running at a constant speed of 10km/h for 5 s, what is its average speed and what is its instantaneous speed at 4 s?
iris [78.8K]

Here a cat is running at constant speed which is given as 10 km/h for  5s

So here the average speed is defined as total distance moved in total time interval

so here it is given by

v_{avg} = \frac{distance}{time}

since

here speed of cat is constant so it will remain the same

And hence the average speed and instantaneous speed at any instant for this duration will remain the same

so here answer would be

<em>average speed = 10 km/h</em>

<em>instantaneous speed = 10 km/h</em>

8 0
3 years ago
For your senior project, you would like to build a cyclotron that will accelerate protons to 10% of the speed of light. The larg
viva [34]

Answer:

The magnetic field is 1.16 T.  

Explanation:

speed, v = 10% of speed of light = 3 x 10^7 m/s

diameter, d = 54 cm

radius, r = 0.27 m

charge, q = 1.6 x 10^-19 C

mass, m = 1.67 x 10^-27 kg

Let the magnetic field is B.

The centripetal force is balanced by the magnetic force.  

qvB=\frac{mv^2}{r}\\\\B =\frac{mv}{qr}\\\\B =\frac{1.67\times 10^{-27}\times 3\times 10^{7}}{1.6\times 10^{-19}\times 0.27}\\\\B =1.16 T

6 0
2 years ago
I really need help for this question
yan [13]
A will be the fastest and c the slowest because of the dip it has a is a straight line fastest way to get from a to b is a straight line b is the second fastest and d is last
5 0
3 years ago
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