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olga nikolaevna [1]
3 years ago
7

Astronomical observatories have been available since ancient times, and many cultures set aside special sites for astronomical o

bservations. The thing modern observatories have that was missing from these older observatories until about 1610 was:_______________.
Physics
1 answer:
inysia [295]3 years ago
6 0

Answer:

Telescope

Explanation:

Telescope is usually defined as an optical instrument that is commonly used to observe the objects in a magnified way that are located at a large distance from earth. These telescopes are comprised of lenses and curved mirrors that are needed to be arranged in a proper way in order to have a prominent look. It is commonly used by the astronomers.

This was first constructed by Hans Lippershey in the year 1608.

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Answer: Projectiles travel with a parabolic trajectory due to the influence of gravity. There are no horizontal forces acting upon projectiles and thus no horizontal acceleration, The horizontal velocity of a projectile is constant (a never changing in value.

Explanation: I hoped that helped yall !!

5 0
3 years ago
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What are the general characteristics of a solid?
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Fixed volume and shape
-Particles are locked into place
Not easily compressible
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3 years ago
What would make oppositely charged objects attract each other more?
masya89 [10]

Answer:

the attraction between N and S poles

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(a) Calculate the linear acceleration of a car, the 0.220-m radius tires of which have an angular acceleration of 11.0 rad/s2. A
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Answer:

The value is  a_t =  2.42 \  m/s^2

Explanation:

From the question we are told that

  The radius of the tires is  r =  0.22 \  m

   The  angular acceleration is  \alpha  =  11.0 \ rad/s^2

Generally the linear acceleration is mathematically represented as

     a_t =  r *  \alpha

=>  a_t =  0.22  *  11

=>  a_t =  2.42 \  m/s^2

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If a 5-L balloon at 25 degrees celsius were gently heated to 30 degrees celsius, what new volume would the balloon have? Show al
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Answer: 5.08 L.

Explation down below

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