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aivan3 [116]
3 years ago
8

the Space Program has benefitted people in everyday life. Describe two ways in which people can benefit

Physics
1 answer:
ycow [4]3 years ago
8 0
So we can know what is in space maybe weird or interesting stuff 

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You drop a small ball, and then a second small ball. When you drop the second ball, the distance between them is 3 cm. What stat
Alja [10]

Answer:

c) The distance between the balls increases.

Explanation:

If you drop the balls at the same time, regardless of their masses they accelerate equally, since they will be in free fall.

However, if you drop one of the balls earlier, then that ball will gain velocity, whereas the second ball has zero initial velocity. At the time the second ball is dropped, both balls have the same acceleration but different initial velocities.

According to the below kinematics equation:

x = v_0t + \frac{1}{2}at^2

The initial velocity of the first ball will make the difference, and the first ball will travel a greater distance than the second ball. Hence, their distance increases.

3 0
3 years ago
Select all that apply. Which of the following astronomers supported the Earth-centered system?
Stella [2.4K]
Among the options, the two astronomers who supported the Earth-centered system were Tycho Brahe and Ptolemy.

Both astronomers developed in fact a system where the Sun was located at the center, while the Earth and the other planets were orbiting around the Sun.
6 0
3 years ago
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A brick with a mass of 20 kg and a weight of 196 N is released on a frictionless plane at an angle of 30°. What is the accelerat
Veronika [31]

Answer:4.9m/s^2

Basically answer A

Explanation:

6 0
3 years ago
Sunspots are dark because ___________. a. the strong magnetic field inhibits the currents of hot gas rising from below. b. of sh
maxonik [38]

Answer:

a) the strong magnetic field inhibits the currents of hot gas rising from below.

Explanation:

Sunspots are dark because they are a little cooler than the photo sphere.

The magnetic field inhibits the strong rising currents of hot gas,allowing it to cool the surface.

4 0
3 years ago
In the morning, if you walk through a grassy lawn or field, quite often your feet will get very wet. What is the liquid generall
Dima020 [189]
The liquid is called condensation and its generally formed when water vaor in the air cools down rapidly and collects around or on an object forming water droplets. 
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