Passengers fall forward when a bus suddenly stops. Using your knowledge of Newton's First Law and Inertia, explain why this phenomenon happens.

Answers

Answer 1

Answer:

Answer:

The people on the bus fall forward because Newton's Law of Inertia states that and object in motion with stay in motion or an object at rest will stay at rest unless acted in by another force. The force of the bus stopping suddenly caused the passengers to fall forward because they were at rest position.

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Early treatment for mental illness involved a0 because doctors believed that doing this would drain the mental illness out of the person’s body.

Answers

For the answer to the question above asking, if early treatment for mental illness involved a0 because doctors believed that doing this would drain the mental illness out of the person’s body.
I think you are asking f this is true or false. This statement is true.
That was what doctors believed.

TRUE OR FALSE? The genetic code is determined by the SIZES of the nitrogen bases.

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False it is not determined by size

Study this equation carefully. What classification should this reaction have? Cu + 2AgNO3 Cu(NO3)2 + 2Ag synthesis decomposition single replacement double displacement neutralization

Answers

Answer;

-Single replacement

Explanation;

The reaction;

Cu(s) + 2AgNO3= Cu(NO3)2 + 2Ag , is an example of a single replacement reaction.

-It is a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.

In the above reaction copper(Cu) takes the place of silver(Ag) in the salt AgNO3 to form Copper (ii) nitrate (CuNO3) and silver metal (Ag).

- Another example of a single replacement reaction occurs when potassium (K) reacts with water (H2O). A colorless solid compound named potassium hydroxide (KOH) forms, and hydrogen gas (H2) is set free.

Answer:

single replacement

John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?

Answers

Answer:

The John 's speed is 20 m/s.

The Betty's speed is 20 m/s

Explanation:

Given that,

John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second.

We need to calculate the John and Betty's speeds

We know that,

The speed is a scalar quantity. its has only magnitude.

Hence, The John 's speed is 20 m/s.

The Betty's speed is 20 m/s

Both of their speeds are 20 m/s.
Direction is not involved in describing speed.

(a) What is the magnitude of the tangential acceleration of a bug on the rim of a 12.5-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 75.0 rev/min in 3.80 s

Answers

Answer:

Explanation:

Given:

d=12.5in=0.3175m

r=d/2=0.3175/2=0.15875m

ωf=75rev/min=7.85rad/s

t=3.80s

The angular acceleration

$\alpha = (\omega _f - \omega _i)/(t)=(7.85-0)/(3.80)=2.07rad/s^2$

Tangential acceleration

$\alpha =r\alpha =0.15875* 2.07=0.33m/s^2$

Whats is the definition of Parallel Circuit

Answers

A parallel circuit is one in which there's a place where the flow of current
can split up and follow different paths.

An example might be:
Two lamps plugged into the same outlet and both turned on.

Current that comes out of the outlet splits up, and parts of it flow
through each lamp.

No . of devices when connected parallely or when they don't depend on each other to conduct electricity makes a parallel circuit.
PLEASE MARK BEST

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