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amm1812
4 years ago
10

Newton discovered that gravity affects the orbits of planets True Or False

Physics
2 answers:
den301095 [7]4 years ago
5 0

Answer:

The correct answer is False.

Explanation:

Newton was inspired by Kepler's theory to be able to establish his theory about gravity, which is defined as a force that occurs only when there are two bodies with mass. Newton does not give a clear explanation why this situation occurs, since he calls this force as divine, and does not go further in the study of it.

The planets to be solid bodies with mass fall within this dynamics, being so close or gravitating in orbits of planets with greater mass that could cause an affectation of both planets.

Svetach [21]4 years ago
4 0
False. Kepler discovered this and Newton was inspired by this.
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A 75.0 kg sailor climbs a 28.3 m rope ladder at and angle of 45.0degrees with the mast. how much work did he do?
sladkih [1.3K]
W = m · g · h
h = 28.3 m · sin 45° = 28.3 m · 0.707 = 20 m
g = 9.8 m/s²
W = 75 kg · 9.8 m/s² · 20 m
Answer:
W = 14,700 J = 14.7 kJ 

8 0
4 years ago
Read 2 more answers
Two identical metal spheres A and B are in contact. Both are initially neutral. 1.0× 10 12 electrons are added to sphere A, then
Vilka [71]

Answer:

8 x 10^-8 C on both the spheres.

Explanation:

Number of electrons added to A = 1 x 10^12

As the sphere A and B are identical to each other so the charge is shared equally.

Charge of one electron = 1.6 x 10^-19 C

Charge on A after wards

= number of electrons after wards x charge of one electron

qA = 0.5 x 10^12 x 1.6 x 10^-19 = 8 x 10^-8 C

Similarly, the charge on sphere B afterwards

= number of electrons after wards x charge of one electron

qB = 0.5 x 10^12 x 1.6 x 10^-19 = 8 x 10^-8 C

8 0
4 years ago
What is measurement
Schach [20]

Answer:

Measurements refers to a process which typically involves identifying and determining the dimensions of a physical object.

Explanation:

A scientific method can be defined as a research method that typically involves the use of experimental and mathematical techniques which comprises of a series of steps such as systematic observation, measurement, and analysis to formulate, test and modify a hypothesis.

Measurements refers to a process which typically involves identifying and determining the dimensions of a physical object.

Basically, the dimensions include important parameters such as width, height, length, area, volume, circumference, breadth, etc.

7 0
3 years ago
You have 2 minutes to get to PE from science class before you get a tardy. If PE is 100m away and you walk at a speed of 1.1m/s
mart [117]

Answer:

D

Explanation:

4 0
3 years ago
Read 2 more answers
At 96° F the saturation density of air is 0.04 kg/m3. If the weather report says the relative humidity is 90 % when the tempera
nalin [4]

Answer:

The value is  H  =  0.036 \ kg/m^3

Explanation:

From the question we are told that

   The saturation density of air is \rho =  0.04 \ kg/m^3

   The temperature for this saturation density to occur  T_s  =  96^o F

    The relative humidity at this temperature is  R_h  =  90\%  =  0.90

Generally the relative humidity is mathematically represented as

      R_H  = \frac{H}{\rho}

Here H represents humidity

=> 0.90 =  \frac{H}{0.04}

=>  H  =  0.90 * 0.04

=>  H  =  0.036 \ kg/m^3

8 0
3 years ago
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