What is the velocity at 10 seconds? PLEASE HELP!!!!!

Answer:

8/9 parts

Explanation:

mark me as brainliest

Answer:

D and object with constant velocity

Answer:

F=ma

3.07=1.35(a)

3.07/1.35 = a

a=2.27m/s^2

Explanation:

Since the question gives us both the force and mass of the object we can use the f= ma equation and just plug in both the force and mass and just solve for acceleration. I believe the degree listed in the question is just there to throw you off.

Hi there!

This is an example of Uniform Circular Motion, thus:

Net Force = Centripetal force

∑F = mv²/r

Plug in the given values. Remember to convert from diameter to radius, first.

d = 199m

r = d/2 = 199/2 = 99.5 m

∑F = 1336(22²)/99.5 = 6498.73 N

Answer:

Final velocity is the velocity which the body has at the end of the given time period.

Answer:

earthworm is classified as an annelid

Answer:

earthworm

Explanation:

In Star Wars, John Williams used the Leitmotif concept of romantic opera in which a character is assigned a short melody.

It is used for famous characters like Darth Vader, Princess Leia, and Han Solo all have their melody.

Leitmotif is generally described as a recurring theme shown or appears over musical or literary composition.

Leitmotif is more common in operas and symphonic poems. It is attributed to a specific person, idea, or situation.

Hence, in this case, it is concluded that in the movie Star Wars, John Williams used the Leitmotif concept of romantic opera.

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Answer:

60 m

Explanation:  

After 3 seconds of travel at 20 m/s, the projectile is 3·20 = 60 meters horizontally from the cannon.

__

The vertical height after 3 seconds is 0.9 m, so the straight-line distance from cannon to target is √(60^2 +0.9^2) ≈ 60.007 meters.

Answer:

2300 because 800 + 1500=2300

Answer:

D

Explanation:

First,mg＞fv: It does a download acceleration,and the speed of the object increase.

Second,mg=fv: it hasn't a acceleration.

you can think the f is a constant.

The ball raised up the hill is given gravitational potential energy, which

causes it to roll spontaneously down the hill.

The statement that explains whether the ball rolling down the hill

experiment should be used is; The experiment shows the ball falls toward

the bottom of the hill, so it provides direct evidence that gravity pulls an

object downward. They should use it.

Reason:

The equation for the velocity of a ball falling down a hill is [tex]v = \sqrt{\dfrac{10}{7} \cdot g \cdot h}[/tex]

Therefore, by increasing the height from which the ball rolls down the hill,

the velocity of the ball increases, which indicates that the ball is

accelerating, and therefore, being acted on by a force, the force of gravity.

Therefore;

Given that the ball falls or moves with increasing speed towards

the bottom of the hill, which shows that the motion is due to Earth's pull

known as the gravitational force, the experiment should be used.

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Hi there!

We can begin by solving for the time it takes the projectile to reach the ground.

Use the equation:

[tex]t = \sqrt{\frac{2h}{g}}[/tex]

Plug in the given height:

[tex]t = \sqrt{\frac{2(357)}{9.8}} = 8.536 s[/tex]

Use the equation:

d = vt, to solve for the horizontal distance:

d = (54)(8.536) = 460.944 m

The initial velocity of the book before its hits the ground is 14.2 m/s.

The given parameters;

The initial velocity of the book is calculated as follows;

h = ut + ¹/₂gt²

where;

1.5 = 3u + (0.5 x 9.8 x 3²)

1.5 = 3u + 44.1

3u = 1.5 - 44.1

3u = -42.6

[tex]u = \frac{-42.6}{3} \\\\u = -14.2 \ m/s\\\\u = 14.2 \ m/s \ downwards[/tex]

Thus, the initial velocity of the book before its hits the ground is 14.2 m/s.

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Answer:

300 J (Joules)

A Joule will measure "the amount of work done when a force of one newton is exerted through a distance of one meter"

Hope this Helps

1050

Explanation:

you have to multiply 25kg time42m

Answer:

has proven had proved proved no change

Answer:

I believe it's the second option "has proven"

Explanation:

It just sounds like it fits better.

Sorry if it's wrong btw.

We have that for the Question "" it can be said that how long will it take the car to come to a full stop and the car lengths before a stop is

From the question we are told

Your car can brake with a deceleration of 6 m/s2. The car is initially going at 40 m/s.

a) How long will it take the car to come to a full stop?  

b) If the car is 5 meters long, about how many car lengths should be kept between you and the car in front of you (assume the car in front of you comes to a stop immediately).

Generally the equation for the Velocity is mathematically given as

[tex]v=u+at\\\\Therefore\\\\40=0+6t\\\\t=6.667s\\\\[/tex]

b)

s=ut+1/2at^2

Therefore

[tex]S=0+1/2(6)(6.7)^2\\\\S=134.67m[/tex]

Therefore

The car lengths before a stop is

L=134.67m/5

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Answer:

50 [m/s].

Explanation:

1) formula is: V-V₀=g*t, where V₀ - final velocity (it is 0), V - required initial velocity, g≈10 [m/s²] and t - elapsed time.

2) according to the formula above:

V=g*t; ⇒ V=5*10=50 [m/s].

Answer:

Total distance covered S=16+16=32 m

Total time t=4+2=6 s

Average speed V

avg

=

t

S

=

6

32

=5.33 m/s

Answer:

To measure diameter of a spherical body using Vernier Callipers.A small, movable auxiliary graduated scale attached parallel to a main graduated scale and calibrated to indicate fractional parts of the subdivisions of the larger scale.It is useful tool to measure spherical body.Diameter of a sphere=d = 2 * r , Surface area of a sphere: A = 4 * π * r² , Volume of a sphere: V = 4/3 * π * r³ , Surface to volume ratio of a sphere: A / V = 3 / r .

Answer:

C is the answer

Explanation:

The pituitary gland also known as the Master gland controls and regulates secretion of most hormones, when taller people usually grow past expected height this is normally due to the Pituitary gland not properly regulating and it secretes too many growth hormones causing "gigantism."

Answer:

William Cullen Bryant, Henry Wadsworth Longfellow, John Greenleaf Whittier, Oliver Wendell Holmes, and James Russell Lowell. These five men made up a group of poets known as the Fireside Poets or the Schoolroom Poets.They were hugely popular in the second half of the 19th century, like the pop stars of their time.

Explanation:

hope this helps if not let me know

Answer:

its all of the above.

Explanation:they all have potential energy but they get it in different ways.

Answer:

Galileo Galilei developed the first ever telescope

Answer:

So if the half-life is two days, four half-lives is 8 days. Suppose a sample has a count rate of 3,200 Becquerel (Bq) at the start, then its count rate after 8 days would be 1/16th of 3,200 Bq = 200 Bq.

Answer:

The units of frequency are hertz. As 1 hertz is equal to one cycle per second.

Amplitude is the maximum displacement of the waves or the distance from rest to crest and is measured in meters or centimeters or millimeters.

Answer:

I think the answer is c

Explanation:

Because It is a common technique and lots of athletes practice injured so she will be fine.

By working on the given plan, Angelica can injure herself since she will not feel pain. The correct option is A.

A sprain takes place when your ankle is compelled to move out of its regular place, causing one or more of the ligaments in your ankle to stretch, partially tear, or completely tear.

A sprained ankle can be caused by a fall that causes your ankle to twist. Landing on your foot awkwardly after jumping or pivoting.

You should avoid strenuous exercises, such as running, until the pain and swelling have subsided, but you should keep moving so that the muscles and ankle do not stiffen. Once your ankle is less painful, begin some gentle exercises.

As she is having ankle sprain, and she is planning to take pain killers and start to work out, this can cause her even more problem as she will not feel any pain.

Thus, the correct option is A.

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#SPJ5

Answer:

overtones

Explanation: