PHYSICS HIGH SCHOOL

An increase in which quantity will result in an increase in momentum?A).velocity
B).force
C).gravity
D).distance

Answers

Answer 1
Answer:

An increase in the velocity of an object will increase the momentum of the object.

What is momentum?

The momentum of an object is determined from the product of mass and velocity of an object.

P = mv

where

  • m is the mass of the object
  • v is the velocity of the object

Thus, an increase in the velocity of an object will increase the momentum of the object.

Learn more about momentum here: brainly.com/question/7538238
Answer 2
Answer:

Answer:

a. velocity.      PLATO USERS

Explanation:

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Radio waves travel at 3.00 · 108 m/s. Calculate the wavelength of a radio wave of frequency 900 kHz. (9.00 · 105 Hz.)_____ m 2.70 x 1014 3.70 x 10-15 3.33 x 102 3.00 x 10-3
A ball is at rest at the top of a hill. It rolls down the hill. At the bottom of the hill the ball hits a wall and stops. Which energy changes occur? A) Gravitational potential energy, internal energy, kinetic energy B) Gravitational potential energy, kinetic energy, internal energy C) Kinetic energy, gravitational potential energy, internal energy D) Kinetic energy, internal energy, gravitational potential energy
Using a cathode ray tube, Thomson confirmed thatatoms must have an overall positive charge. atoms are made of particles that have a negative charge. electrons in atoms must have varying amounts of energy. electrons are only found in the nucleus.
Heliocentric means… sun-centered. moon-centered. Earth-centered. galaxy-centered.
Which of the following is not one of the observed characteristics of our solar system?all planets go in the same circular direction all planets look as though they lie along a flattened circular plane or disk the Sun and planets rotate in the same direction all moons orbit planets in a counterclockwise direction

Which list places the layers of the sun in the correct order from innermost to outermost?Corona, photosphere, chromosphere
Photosphere, convective zone, radiative zone
Convective zone, chromosphere, corona
Radiative zone, corona, convective zone

Answers

The Photosphere, Chromosphere, Transition Region, and Corona are the outer layers. Option A is correct.

What are the layer of sun?

Corona, photosphere, chromosphere are the layers of the sun in the correct order from innermost to outermost.

The distance is measured from the sun's core for the inner layers and from the sun's surface for the outer layers. The Core and Convection Zone, are the inner layers.

The Photosphere, Chromosphere, Transition Region, and Corona are the outer layers.

Hence, option A is correct.

To learn more about the layer of sun, refer to the link;

brainly.com/question/16202855

#SPJ2

Answer: The answer is A, Corona, Photosphere, Chromoshpere

Explanation:

Just took the test

If you start skating down this hill, your potential energy will be converted to kinetic energy. At the bottom of the hill, your kinetic energy will be equal to your potential energy at the top. What will be your speed at the bottom of the hill?

Answers

Your potential energy at the top of the hill was (mass) x (gravity) x (height) .

Your kinetic energy at the bottom of the hill is (1/2) x (mass) x (speed)² .

If there was no loss of energy on the way down, then your kinetic energy
at the bottom will be equal to your potential energy at the top.

(1/2) x (mass) x (speed)² = (mass) x (gravity) x (height)

Divide each side by 'mass' :

(1/2) x (speed)² = (gravity) x (height) . . . The answer we get
will be the same for every skater, fat or skinny, heavy or light.
The skater's mass doesn't appear in the equation any more.

Multiply each side by 2 :

(speed)² = 2 x (gravity) x (height)

Take the square root of each side:

Speed at the bottom = square root of(2 x gravity x height of the hill)

We could go one step further, since we know the acceleration of gravity on Earth:

Speed at the bottom = 4.43 x square root of (height of the hill)

This is interesting, because it says that a hill twice as high won't give you
twice the speed at the bottom.  The final speed is only proportional to the
square root of the height, so in order to double your speed, you need to
find a hill that's 4 times as high.

When a firecracker explodes, what types of energy does it give off?a. sound and light energy only
b. potential and kinetic energy
c. sound, light, and heat energy
d. sound, light, and chemical energy

Answers

The answer is c. 
Sound, light and heat energy.

Hope this helped :)

Does the electrical conductivity of metals have anything to do with the electrostatic chart?

Answers

Yes. Electrostatics are known to include the conductivity of metals whenever they start to have electrical flows on them. It's always been there on the list, and one notable instance of it is the flow of electricity in a wire.

Jawless fish and ocean reefs were devastated by which extinction? Late Devonian

Ordovician-Silurian

Permian-Triassic

End Triassic

Cretaceous-Tertiary

Answers

Late Devonian (I believe)

The Late Devonian.

If you go back and reach the text, you may find the passage, "Which species did we lose during this extinction (Late Devonian)? About 20% of all animal families and 70-80% of all animal species were lost. Major victims included the following:

....

- Jawless fish"

Andy is waiting at the signal. As soon as the light turns green, he accelerates his car at a uniform rate of 8.00 meters/second2. What is the displacement of Andy’s car after 30.0 seconds?

Answers


-- Accelerating at the rate of 8 m/s², Andy's speed
   after 30 seconds is

                                   (8 m/s²) x (30.0 s)  =  240 m/s .

-- His average speed during that time is

                                 (1/2) (0 + 240 m/s)  =  120 m/s .

-- In 30 sec at an average speed of 120 m/s,
   Andy will travel a distance of
                                                 (120 m/s) x (30 sec) = 3,600 m

                                                                                = 3.6 km .

"But how ? ! ?", you ask.

How in the world can Andy leave a stop light and then
cover 3.6 km = 2.24 miles in the next 30 seconds ?

The answer is:  His acceleration of  8 m/s², or about  0.82 G
is what does it for him.

At that rate of acceleration ...

-- Andy achieves "Zero to 60 mph" in 3.35 seconds,
   and then he keeps accelerating.

-- He hits 100 mph in 5.59 seconds after jumping the light ...
   and then he keeps accelerating.

-- He hits 200 mph in 11.2 seconds after jumping the light ...
   and then he keeps accelerating.

-- After accelerating at 8 m/s² for 30 seconds, Andy and his
   car are moving at  537 miles per hour !
   We really don't know whether he keeps accelerating,
    but we kind of doubt it. 

A couple of observations in conclusion:

-- We can't actually calculate his displacement with the information given.
   Displacement is the distance and direction between the starting- and
   ending-points, and we're not told whether Andy maintains a straight line
   during this tense period, or is all over the road, adding great distance
   but not a lot of displacement.

-- It's also likely that sometime during this performance, he is pulled
   over to the side by an alert cop in a traffic-control helicopter, and
   never actually succeeds in accomplishing the given description. 
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