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vivado [14]
3 years ago
14

\\Choose the answer that is most descriptive the Milky Way Galaxy.//

Physics
1 answer:
Verizon [17]3 years ago
8 0

Answer:

it is C i dont need no explanat

Explanation:

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True or false: Waves transfer matter as they travel.
Natalija [7]

Answer: false

Explanation: hope that helped

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3 years ago
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A bicycle and a tennis ball are both at the top of a hill storing potential energy. If they both start rolling down the hill at
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a bicycle has more kinetic energy cuz kinetic energy depends on mass and velocity.bicycle has more mass than a tennis ball.

3 0
3 years ago
The Electric Field 9.0m from a +25μC charge is 
salantis [7]

The electric field intensity generated by a single point charge is given by

E(r)=k\frac{q}{r^2}

where

k is the Coulomb's constant

q is the charge

r is the distance from the charge


In this problem, the charge is q=25 \mu C=25 \cdot 10^{-6} C and we are asked to calculate the field at distance r=9.0 m, so the electric field is

E(9.0 m)=(8.99 \cdot 10^9 Nm^2C^{-2})\frac{25 \cdot 10^{-6} C}{(9 m)^2}=2775 V/m

5 0
3 years ago
B. The coefficient of friction between the tires and the road is 0.850 and the mass of the car is
Mrac [35]

Answer:

156.26N

Explanation:

The data needed are incomplete. Let the acceleration of the body be 3.5m/s²

Other given parameters

Mass = 1.35×10^1 = 13.5kg

coefficient of friction between the tires and the road = 0.850

Acceleration due to gravity = 9.8m/s²

According to Newton's second law:

Fnet = ma

Fnet = Fapp - Ff

Fapp is the applied force

Ff is the frictional force = umg

The equation becomes:

Fapp - Ff = ma

Fapp-umg = ma

Fapp - 0.85(13.5)(9.8) = 13.5(3.5)

Fapp - 109.0125 = 47.25

Fapp = 47.25+109.0125

Fapp = 156.2625N

Hence the applied force that caused the acceleration is 156.26N

Note that the acceleration of the car was assumed. Any value of acceleration can be used for the calculation.

8 0
3 years ago
Why is physics an important part of history
tigry1 [53]

Answer:

History and physics are intertwined through all the revolutionary thinkers, scientists, and people who studied these ideas. For example, many historical thinkers such as Isaac Newton and Galileo Galilei not only had revolutionary ideas, but they also changed life forever as the people knew it. It shocked the people and taught them new things, and upset the church.

Explanation:

8 0
4 years ago
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