Aristotle, the ancient Greek philosopher, thought that heavy objects fall to Earth faster than lighter objects. How could Aristotle's hypothesis be supported or disproved?

Answers

Answer 1

Answer: Gravitational potential energy=mass of object x gravitational field strength on earth(9.8 usually rounded to 10) x the height the object is held at

Therefore if two objects were held at the same height, the object with more mass(the heavier object) will fall faster because it's gravitational potential energy is greater than that of the lighter object

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A kid on a playground swing makes 6 complete to-and-fro swings each 30 seconds

Answers

i assume that you want to find out what's the frequency is.

Number of oscillation = 6 which being done in 30 second.

which means the time period for 1 oscillation is 30 second/6 = 5 second

Frequency = 1/time period
= 1/5 Hertz

Hope this help

A center-seeking force related to acceleration is _______ force.A. centripetal
B. centrifugal
C. gravitational
D. frictional

Answers

A center-seeking force related to acceleration is centripetal force. The answer is letter A. The rest of the choices do not answer the question above.

A protostar is _____.1.a region of space from which light cannot escape
2.a small star that will continue as a main sequence star for hundreds of billions of years
3.a star with a core of neutrons
4.the stage after a star completes its main sequence existence
5.the stage before a star becomes a main sequence star

Answers

Answer

5.the stage before a star becomes a main sequence star

Explanation

A protostar is a small star that is still gathering its masses. When it forms enough masses it make a parent molecular cloud.

This been the case, from the choices given, the correct statement about a protostar is;

5.the stage before a star becomes a main sequence star

its the stage before a star becomes a main sequence star. hope i helped you guys

3. Reading the graph, we find the velocity is 8 m/s at t-2 s and 16 m/s at t-4 s. Based on this information,what is the acceleration?

Answers

first take the change in time, which is the difference of 4 & 2, so 2 and that’s that’s denominator, then take the change in velocity, which is the difference of 16 and 8, which is 8 ( ur numerator)

8 / 2 = 4 so ur acceleration should be 4

Anyone knows what this is?

Answers

I think it is D.) “Cycles around” but I am not positive.

A surface wave on the ocean's surface is an example of a(n) _____ wave.A. gravity
B. seismic
C. mechanical
D. electromagnetic

Answers

C. mechanical is the answer

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According to Newton's third law of motion, if you push against a wall, the wall will __________.a. attract you with its low gravityb. fall over once you overcome its inertiac. push against you with equal forced. heat up due to energy transfer

In electrical work, resistance is often represented by thea. Greek symbol O. c. letter V. b. letter I. d. letter E.