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finlep [7]
3 years ago
5

If the moon rises around 3 a.m., its phase must be

Physics
1 answer:
Luden [163]3 years ago
4 0
New moon or cresant moon i believe
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If i apply 280 n of force to a 40kg object, what will it's acceleration be?
nika2105 [10]

Answer:

f=ma

f=280N

m=40kg

a=?

280=40a

a=280/40

a=70N/kg

6 0
3 years ago
When sedimentary rock is exposed to heat and pressure, what does it change into?
patriot [66]
Metamorphic rock this possess often occurs in the mantle
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.

-Speed of the pulse can then be obtained as:

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
2 kilogram bowling ball sits on top of a building that is 40 m the object has k e or g p e or both be sure to include the correc
Licemer1 [7]
GPE=mass*GFS*height
2kg*9.8N/Kg*40m -I've used the Grabitational field strength of the earth's
surface

=784J
7 0
3 years ago
What is the weight of a 500g ball? (gravity is 9.8 m/s)​
vovangra [49]

Answer:

4,900

Explanation:

you find the weight by multiplying the ball in grams to the gravity

7 0
3 years ago
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