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nadezda [96]
2 years ago
14

The contribution of Tycho Brahe was primarily his

Physics
1 answer:
mihalych1998 [28]2 years ago
3 0
Tycho Brahe ( 1546 - 1601 ) was a Danish astronomer known for his accurate astronomical and planetary observations. Tycho tried to produce a model with the best of both Ptolemy ( earth-centered solar system ) and Copernicus ( sun-centered solar system ).
Answer: B ) observation.
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Name two kinds of longitudinal waves and explain how you know they are longitudinal.
dezoksy [38]
A transverse wave and a longitudinal wave.

Transverse:wave particles move at medium speed in perpendicular to the direction that the waves move

Longitudinal:wave particles move at medium speed in parallel to the direction that the wave moves

Hope this helps ^-^
8 0
3 years ago
Two friends are walking on a hot beach on a hot summer day. one friend reports her feet are becoming hot she needs her sandals.
nata0808 [166]

Answer:

conduction

Explanation:

6 0
3 years ago
A runner covers 40 m in 4.55 seconds ,what is their average velocity?
goldenfox [79]

Velocity = displacement/time



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3 0
3 years ago
As you lift an 88 N box straight upward you produce a power of 72 W. What is the speed of the box?
jeka57 [31]

F = force applied to lift the box = weight of the box = 88 N

P = power produced while lifting the box upward = 72 Watt

v = speed of the box = ?

Speed of the box is given as

v = \frac{P}{F}

inserting the values

v =  \frac{72}{88}

v = 0.82 ms⁻¹

6 0
3 years ago
Read 2 more answers
In an experiment conducted using the Young's double-slit apparatus, the separation between the slits is 20 µm. A first-order con
jeka57 [31]
To solve this problem, we use the formula
λ = s sin θ
where s is the separation and θ is the angle interference
So,
λ = 20 x 10^-6 sin 2.5
λ = 8.72 x 10^-7 m

The required angle for the fourth order bright fringe is
θb = sin⁻¹ (4λ / s) = sin⁻¹ (4 (8.72 x 10^-7 m)/ 20 x 10^-6 ) = 10.04°

The required angle for the fourth order dark fringe is
θd = sin⁻¹ (4.5 λ / s) = sin⁻¹ (4.5 (8.72 x 10^-7 m)/ 20 x 10^-6 ) = 11.31°
6 0
3 years ago
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