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3 years ago

If you push a shopping cart with all of your strength will it move faster if it's empty or full of items? Explain

Physics

2 answers:

ss7ja [257]3 years ago

8 0

It will go faster if it was empty because it would weigh less

Strike441 [17]3 years ago

7 0

Empty; there will be a less mass to push.

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A stationary block resting on the ground is pulled up with a tension force of 100N, but does not leave the ground.

tekilochka [14]

Answer:

The normal force the ground exerts on the block, F = -300 N

Explanation:

Given data,

The block pulled up with a tension force, T = 100 N

The weight of the block, W = 300 N

The weight of the block is due to the force of attraction of gravitation.

The surface exerts a force that is equal and opposite to the force acting on the block due to gravitation.

The weight of the block,

W = mg

300 N

The normal force the ground exerts on the block,

F = - mg

= - 300 N

Hence, the normal force the ground exerts on the block, F = -300 N

6 0

3 years ago

What is the difference between condensation and conduction

aniked [119]

Answer:

Convection is the heat transfer due to the bulk movement of molecules within fluids such as gases and liquids, including molten rock. Condensation is the process by which water vapor in the air is changed into liquid water. Condensation is crucial to the water cycle because it is responsible for the formation of clouds. These clouds may produce precipitation, which is the primary route for water to return to the Earth's surface within the water cycle.

Explanation:

Their a difference....... A huge One

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3 years ago

The four fundamental types of organic molecules are nucleic acids, proteins, lipids, and ________.

notka56 [123]

The other of the four organic molecules is carbohydrates.
All four of them are:
Nucleic Acids (DNA and RNA stuff)
Proteins
Lipids
& Carbohydrates

4 0

3 years ago

Read 2 more answers

In a first order decomposition in which the rate constant is 0.204 sec-1, how long will it take (in seconds) until 0.399 mol/L o

DENIUS [597]

Answer:

2.902 to 3 decimal places

5 0

3 years ago

What is newton first law

andrew11 [14]

Answer:

Newtons first law states that:

If a body is in rest or motion in a straight line, it remains at rest or at motion in a straight line with constant speed until and unless and external unbalanced force acts on it.

'This law is also known as the law of Inertia.'

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2 years ago