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Ket [755]
3 years ago
6

a piece of space junk of mass 24kg is at a distance of 7.00 x 10(power 6)m from the centre of the Earth. What is the gravitation

al force between the space junk and the Earth? [G=6.67 x 10(power of -11)N m² kg(power of -2) , mass of the Earth= 5.97 x 10(power of 24)kg​
Physics
1 answer:
My name is Ann [436]3 years ago
7 0

Answer:

F = 195 N

Explanation:

F = GMm/d²

F = 6.67e-11(5.97e24)(24) / (7.00e6)²

F = 195 N

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Calculate the speed for a car that went a distance of 125 meters in 2 seconds time.
stiv31 [10]

Answer:

<h2>62.5 m/s</h2>

Explanation:

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s =  \frac{d}{t} \\

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2 years ago
Un bloque de 25 n se encuentra suspendido por un hilo al techo vitamina la tensión que aparece en el hilo
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7 0
3 years ago
Describe two experiments to determine the speed of propagation of a transverse wave on a rope. You have the following tools to u
AnnZ [28]

Answer:

#See solution for details.

Explanation:

1.

Tools:stopwatch, \ meter \ stick, \ mass \ measuring \ scale , \ force \ measuring  \ device.

Experiment \ 1:Calculate the speed of the wave using the time,t it takes to travel along the rope. Rope's length,L is measured using the meter stick.

-Attach one end of rope to a wall or post, shake from the unfixed end to generate a pulse. Measure the the time it takes for the pulse to reach the wall once it starts traveling using the stopwatch.

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v=\frac{L}{t}

Experiment \ 2: Apply force of known value to the rope then use the following relation equation to find the speed of a pulse that travels on the rope.

v=\sqrt{\frac{F}{\mu}}\ ,\mu=\frac{m}{L}

-Use the measuring stick and measuring scale to determine L,m values of the rope then obtain \mu.

-Use the force measuring constant to determine F. These values can the be substituted in Experiment \ 1 to obtain v.

4 0
3 years ago
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