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Oksana_A [137]
3 years ago
8

Displacement time squared graph

Physics
1 answer:
Scilla [17]3 years ago
6 0
If distance versus time<span> is a straight line then Free-Fall is at a constant velocity and the slope of the </span>graph<span> measures that velocity. If distance versus </span>time-squared<span> is a straight line then Free-Fall is at a constant acceleration and the slope of the </span>graph<span>measures one-half of that acceleration.</span>
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Recording the location of a star requires a measurement of:
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Answer:

It requires a measurement of altitude azimuth time.

Hope this helps, if it did, please give it a brainliest.

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3 years ago
What are the main factors that influence the climate of any location on earth?
icang [17]

Answer:

Explanation:

The climate of any particular place is influenced by a host of interacting factors.

The factor that influence climate are

1. latitude

2. elevation,

3. nearby water

4. ocean currents

5. topography

6. vegetation

7. prevailing winds.

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3 years ago
A typical neutron star may have a mass equal to that of the Sun but a radius of only 20 km.(a) What is the gravitational acceler
Pepsi [2]

Answer:

331665750000\ m/s^2

3257806.62409 m/s

Explanation:

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

M = Mass of Sun = 1.989\times 10^{30}\ kg

r = Radius of Star = 20 km

u = Initial velocity = 0

v = Final velocity

s = Displacement = 16 m

a = Acceleration

Gravitational acceleration is given by

g=\dfrac{GM}{r^2}\\\Rightarrow g=\dfrac{6.67\times 10^{-11}\times 1.989\times 10^{30}}{20000^2}\\\Rightarrow g=331665750000\ m/s^2

The gravitational acceleration at the surface of such a star is 331665750000\ m/s^2

v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times 331665750000\times 16+0^2}\\\Rightarrow v=3257806.62409\ m/s

The velocity of the object would be 3257806.62409 m/s

8 0
3 years ago
What is units and dimensions? what are dimensions less quantities?​
tensa zangetsu [6.8K]

Answer:

A dimension is a measure of a physical variable.

Unit is a way to assign a number or measurement to that dimension.

In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one, with a corresponding unit of measurement is the SI of the unit one, which is not explicity shown.

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3 years ago
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