1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ch4aika [34]
3 years ago
7

What was the greatest discovery by galileo during his inclined-plane experiments?

Physics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0
Galileo discovered during his inclined-plane experiments that a ball rolling down an incline and onto a horizontal surface would roll indefinitely.
You might be interested in
An airplane has wings, each with area A, designed so that air flows over the top of the wing at 265 m/s and underneath the wing
exis [7]

Answer

given,

Pressure on the top wing = 265 m/s

speed of underneath wings = 234 m/s

mass of the airplane =  7.2 × 10³ kg

density of air =  1.29 kg/m³

using Bernoulli's equation

 P_1 + \dfrac{1}{2}\rho v_1^2 = P_2 + \dfrac{1}{2}\rho v_2^2

 \Delta P =\dfrac{1}{2}\rho (v_2^2-v_1^2)

 \Delta P =\dfrac{1}{2}\times 1.29\times (265^2-234^2)

 \Delta P =9977.5 Pa

Applying newtons second law

2 Δ P x A - mg = 0

A =\dfrac{mg}{2\Delta P}

A =\dfrac{7.2\times 10^3 \times 9.8}{2\times 9977.5}

    A = 3.53 m²

7 0
3 years ago
A wire 1 mm in diameter is connected to one end of a wire of the same material 2 mm in diameter of twice the length. A voltage s
miskamm [114]

Answer:

T = 2 T₀

Explanation:

To answer this question let's write the expression for electrical conductivity

    σ = n e2 τ / m*

The relationship with resistivity is

       ρ = 1 /σ

Whereby the resistance

        R = ρ L / A = 1 /σ  L / A

We see that there is no explicit relationship between time and resistance, there is only a dependence on the life time (τ) that depends on the properties of the material, not on its diameter or length.

As also the average velocity or electron velocity of electrons is constant, the time to cross 2 mm in length is twice as long as the time to cross a mm in length

 T = 2 T₀

8 0
3 years ago
What do stars begin as
Valentin [98]
Cloud of dust and gas!
7 0
3 years ago
Read 2 more answers
Calculate the horizontal force that must be applied to a 1,300 kg vehicle to give it an acceleration of 2.6 m/s² on a level road
ANEK [815]
The answer is 3,380 N
4 0
3 years ago
Tina has been dieting for a total of 13 weeks she lost 3 lb on the first week of her diet but gain the back of pound on the seco
PolarNik [594]

Answer:

D. 24 lb

Explanation:

Tina has been dieting for 13 weeks

First week she lost 3 pounds

Next week she gained 1 pound and did not lose any. This will be subtracted as she has gained a pound

The remaining 11 weeks she lost 2 pounds per week

Weight lost in the 11 weeks = 11×2 =22 pounds

Total weight lost

3-1+22 = 24 lb

Tina has lost 24 pounds in total during the 13 weeks

6 0
3 years ago
Other questions:
  • Your car's speedometer works in much the same way as its odometer, except that it converts the angular speed of the wheels to a
    6·1 answer
  • What is the potential difference between xi=2.0m and xf=3.0m?
    13·2 answers
  • The part of the mantle called the ___ is made out of soft rock that bends like plastic
    12·1 answer
  • Explain why the Newton’s Cradle device eventually comes to rest. Justify your answer with your Knowledge of Energy (pls mark Bra
    12·2 answers
  • What factors would change the force of friction?​
    8·1 answer
  • Oppositely charged objects attract each other. This attraction holds electrons in atoms and holds atoms to one another in many c
    7·2 answers
  • Light does bend in a gravitational field. Why is this bending not taken into consideration by surveyors who use laser beams as s
    15·1 answer
  • A cyclist and his bicycle have a combined mass of 85 kg. If he is moving at
    15·1 answer
  • Que distancia se desplaza un objeto que se mueve con velocidad de 72km/h durante 10 min?
    15·1 answer
  • Does the world have a responsibility to assist t millions of people in a country that does not provide for their needs?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!