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3 years ago

Acceleration is directly proportional to net force. What is the relationship between acceleration and mass?

Physics

1 answer:

guajiro [1.7K]3 years ago

4 0

Answer:

They are inversely related; As acceleration decreases, mass increases; As acceleration decreases, mass increases.

Explanation:

This is to keep the force the same.

F=2m•0.5a

F=0.5m•2a

Both forces have the same value, but they have acceleration and masses that are inversely proportional to eachother.

In real life, you can see it with a recoil gun. The bullet and the gun have equal but opposite forces, but the bullet accelerates faster than the gun due to its smaller mass, while the gun recoils at a slower acceleration due to its larger mass.

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high frequency sound waves have a shorter wavelength and a higher A. amplitude B. pitch C. wavelength? than low frequency sound

gizmo_the_mogwai [7]

Pitch of the sound increases as frequency increases.
choose B pitch

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3 years ago

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True or false: convection is the term used to describe how molecules move within a fluid such as a liquid or gas.

WINSTONCH [101]

it is true
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4 years ago

A paint brush is dropped from the top of a tall ladder and free falls to the ground. What changes, if any, would be observed of

muminat

Answer:

Explanation:

As the paint brush is dropped from the top of a tall ladder it started free falling

i.e. velocity of brush increases as it falls down due to the acceleration provided by gravity.

We know acceleration due to gravity is the attraction experienced by the object due to earth attraction

Value of acceleration due to gravity is constant i.e. $9.8\ m/s^2$

Therefore the correct choice is

velocity is increasing and acceleration is constant

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4 years ago

The diagram below shows two bowling balls, A and B, each having a mass of 7.0 kg, placed 2.00 m apart between their centers.

AVprozaik [17]

Answer:

F = 1.63 x 10⁻⁹ N

Explanation:

Complete question is as follows:

The diagram below shows two bowling balls, A and B, each having a mass of 7.0 kg, placed 2.00 m apart between their centers. Find the magnitude of Gravitational Force?

Answer:

The gravitational force is given by Newton's Gravitational Law as follows:

F = Gm₁m₂/r²

where,

F = Gravitational Force = ?

G = Universal Gravitational Constant = 6.67 x 10⁻¹¹ N.m²/kg²

m₁ = m₂ = mass of each ball = 7 kg

r = distance between balls = 2 m

Therefore,

F = (6.67 x 10⁻¹¹ N.m²/kg²)(7 kg)(7 kg)/(2 m)²

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3 years ago

A car traveling south is 200 kilometers from its starting point after 2 hours. What is the average velocity of the car?

Oksi-84 [34.3K]

Explanation:

Total displacement = 200 km

Total time taken = 2 hour...

Now...

$average \: velocity \: = \frac{total \: displacement}{total \: time \: taken \: } \\$

$= \frac{200}{2} \\$

= 100 kilometers/hour south

5 0

2 years ago