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ASHA 777 [7]
3 years ago
7

5. Atoms may emit light energy when

Physics
1 answer:
FromTheMoon [43]3 years ago
8 0
I don’t know immma gonna guess C
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According to Aristotle, how fast do heavy objects fall compared to light objects?
Studentka2010 [4]

Answer:

Hey

Your answer would be D (Aristotle stated that heavy objects fall faster than light objects). He thought be comparing a feather falling to a rock falling that you could see that heavier objects fall faster than light ones. of course now we know that all objects fall at the same speed and that weight does not affect that. only air drag affects how fast objects fall.

4 0
3 years ago
A 43-N crate is suspended from the left end of a plank. The plank weighs 21 N, but it is not uniform, so its center of gravity d
lesya [120]

Answer:

d_{2}=0.585m

Explanation:

The torque is the force by the distance so to determinate that both torque are the same magnitude so

T_{1}-T_{2}=0

T_{1}=T_{2}

F_{1}*d_{1}=F_{2}*d_{2}

43N*0.30m=21N*d_{2}

Solve to d2

d_{2}=\frac{41N*0.30m}{21N}

d_{2}=0.585m

5 0
3 years ago
What is the difference between weathering, erosion, and decomposition?
ladessa [460]
Weathering is where something is changed or mutilated by the weather. Erosion is hwere water or an other substance digs awaya at something and wears it out. I don't exactly know the last one or how to explain
8 0
3 years ago
Read 2 more answers
Help me pls I WILL GIVE BRAINIEST I DONT CARE PLS HELP
PilotLPTM [1.2K]

Answer:

A) was reusable

Explanation:

Check this website out for more information about the space shuttle: https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-the-space-shuttle-k4.html

3 0
2 years ago
Read 2 more answers
A trombone has a variable length. When a musician blows into the mouthpiece and causes air in the tube of the horn to vibrate, t
Lilit [14]

Answer:

The frequency increases.

Explanation:

When the Musician draws the slide in the length of the horn gets shorter, which causes a decrease in the wavelength. A decrease in the wave length results in an increase in frequency.

Note:

The diameter of the horn has an effect on frequency, so a wider horn is effectively a long horn - open end correction ( distance between the the antinode and the open end of a pipe).

Frequency also depends on how hard the musician blows the trombone. The musician can change the frequency with the lip pressure being applied.

6 0
3 years ago
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