Distance v. Time
What is the velocity at 1 meters?
4.5
4
3.5
3
2.5
Distance (m)
2.
1.5
1
0.5
0
0
2
6
8
10
Time (s)

Answer:

p = 3000 kg-m/s.

Explanation:

Given that,

Mass of shark, m = 200 kg

Speed of the shark, v = 15 m/s

We need to find the momentum of the shark. It can be calcullated as follows :

[tex]p=200\ kg\times 15\ m/s\\\\p=3000\ kg-m/s[/tex]

So, the momentum of the shrak is 3000 kg-m/s.

Answer:

the volume of the room is 240.588 meters3

The picture shows the scientific notation

We have that the average acceleration is

[tex]a=5m/s^2[/tex]

From the Question we are told that

Decreases his velocity from 20 m/s to 10 m/s in 2.0 s.\

Generally the equation for the average acceleration  is mathematically given as

[tex]a=\frac{u-v}{t}\\\\a=\frac{20-10}{2}[/tex]

[tex]a=5m/s^2[/tex]

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Answer:

The average speed will be "1038 mph".

Explanation:

Period for one revolution is:

T = 24 hours

  = 86,400 sec

x = c = 2πr

The given values is:

r = 6.38×10⁶ m

Now,

⇒  [tex]T=\frac{2 \pi r}{v}[/tex]

Or,

⇒  [tex]v=\frac{2 \pi r}{T}[/tex]

On substituting the values, we get

       [tex]=\frac{2 \pi (6.38\times 10^6)}{86,400}[/tex]

       [tex]=464 \ min/sec[/tex]

       [tex]=(464 \frac{min}{sec}) (\frac{3600 \ sec}{1 \ hour} )(\frac{1 \ mi}{1609 \ m} )[/tex]

       [tex]=1038 \ mph[/tex]

Explanation:

it means its velocity and acceleration is constant. And there is no change in displacement , so the object is not moving.

Answer:

Designing experiments to replicate the conditions in which life may have first evolved on Earth

Explanation:

In 1953, Stanley L. Miller and Harold C. Urey conducted an experiment to prove that life started from inanimate objects. The research was conducted by utilizing proposed chemical substances, mixed together through a scientific design process. The outcome of the research is the predicted atmospheric conditions before the pre-living form started on earth.

Therefore, in this case, the action that might lead scientists to develop new explanations about the universe is "Designing experiments to replicate the conditions in which life may have first evolved on Earth."

Explanation:

v = u + at

v = 5 + 2.5 * 5

V ( final velocity after 5 sec) = 17.5 m/s

Answer:

B ) He was the first to systematically study force and motion.

Explanation:

I seen this one before and know the answer since there's 4 options

Answer: b

Explanation:Because protons are positive and the nucleus is positive so it will be repelled and the neutron is neutral so it will be unaffected.

What does your model look like and the one it's being compared to?

Answer:

you should prolly put the model

Explanation:

Answer:

Less than

Explanation:

Because a dekameter has a higher vantage point than kilometer as a kilometer has a lower vantage point

Answer: a dekameter is actually 10 yrds while 1 kilometer is actually 4 to 5 miles

Explanation:

Answer:

Explanation:

No, not any of these substance will float in Methanol , simply because Methanol has a density of 0.79 g, if you put any substance that weighs more than 0.79 g, it will sink, it all depends on the weight if it is more or less than methanol  

2: D=m/v

D=135/50 = 2.7 g/cm³ ( Aluminum)

D=M/V

if two objects has the same mass but one has larger volume, then te one with larger volume has less density

example : 2 objects

mass of both=350

volume of the first one=500 and  the other 750

D1=M1/V1 = 350/500 =0.7

D2 = M2/V2 = 350/750 = 0.4666

D1 is larger than D2( with larger volume )

Answer:

D. Making improvements to the original prototype in order to perform

more tests

Explanation:

just did it

The one thing that they might do is making improvements to the original prototype in order to perform more tests. Thus option D is correct.

Prototype is defined as a type of early version, or initial release of a product created to test a theory or procedure.

It can be defined as a test procedure where design teams put concepts into concrete forms, whether they be paper or digital.

It can also be defined as a useful tool for the creation of new products. It provides the creative with the opportunity to watch their concept come to fruition.

There are three basic rule of prototyping.

When the EGL system code does not have access to the function itself, a function prototype definition is used to provide type checking on function calls.

Thus, the one thing that they might do is making improvements to the original prototype in order to perform more tests. Thus option D is correct.

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Answer:

Friction is a force that rubs on a object which then causes something within that object to happen. There are many types of friction, though.

Explanation:

brainliest? :{

Multiply field strength (N/kg) by mass (kg) to get weight (N)

At the start, the car is carrying

4.7 kg * (9.8 N/kg) = 46.06 N

of fuel.

At the end, it is carrying

3.0 kg * (9.8 N/kg) = 29.4 N.

Assuming the car remains completely intact, its weight was reduced by

46.06 N - 29.4 N = 16.66 N.

Answer: left and applied force

Explanation:

Answer:

С. 10.41 Ampere

Explanation:

Given that,

Power, P = 125 watts

Voltage, V = 12 volts

We need to find current. Power in terms of current and voltage is given by :

P = VI, I = current

[tex]I=\dfrac{P}{V}\\\\I=\dfrac{125\ W}{12\ V}\\\\I=10.41\ A[/tex]

So, the current is 10.41 A.

Given :

A bird flies 6 km east, then 4 km west.

To Find :

the total distance traveled and displacement after this flight.

Solution :

a)

We know , total distance is the amount of how much ground an object has covered .

Distance = 6+4 km = 10 km .

b )

Displacement is the shortest distance from one point to another .

Now , here the object first move 6 km east then moves 4 km west .

So , his distance from the starting position is :

Displacement = 6 - 4 km = 2 km .

Hence , this is the required solution .

Answer: Metals refers to the natural elements that are hard, shiny, opaque and dense. Non-metals implies those chemical substances that are soft, non-shiny, transparent and brittle. Most metals are hard, except sodium. Most non-metals are soft, except diamond.

Answer: 1 2 5

Explanation:

Galileo Galilei, an Italian physicist, is credited with being the first to calculate speed by dividing it by the distance traveled and the time required. Galileo defined speed as the distance covered in a predetermined period of time. Thus option A, B. E is correct.

Speed is determined by dividing the distance by the time. Calculating the units for speed requires knowledge of the units for both time and distance. Since the distance is measured in meters (m) and the time is measured in seconds, the units in this example will be meters per second (m/s) (s).

That is speed = distance time. Alternatively, you can calculate the time by dividing the distance traveled by the speed. You can figure out the third input if you know two of the inputs.

Therefore,  For instance, if a car drives 120 miles (ca. 193 km) in 2 hours, we may calculate the speed as 120 × 2 = 60 miles per hour (ca. 97 km/h).

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Answer:

C

Explanation:

..

Answer:The conclusion is valid for the data recorded

Explanation:

Answer:

1. 1000000

2. 1000

3. 1000000

Explanation:

If there not right. I'm sorry.

Answer:

the answer is 14,700

Explanation:

hope this helps :))

Answer:

14,700

Explanation:

were using the potential energy equation.

P.E- (150 kg) (9.8m/s2) (25 m) = 14,700

Answer:50,50,69

Explanation:I just did it

Given :

You drive 200 miles in 3 hours before stopping for lunch and gas. After lunch you  travel 250 miles in an hour and a half.

To Find :

Average speed.

Solution :

We know, average speed is given by :

[tex]v=\dfrac{\text{Total distance covered}}{\text{Total time taken}}\\\\v=\dfrac{200+250}{3+1.5}\ miles/hr\\\\v=\dfrac{450}{4.5}\ miles/hr\\\\v=100\ miles/hr[/tex]

Therefore, average speed of the journey is 100 miles/hr.

Hence, this is the required solution.

Answer:

s = 92.36 m

Explanation:

The distance covered by an object moving with uniform speed is given by the following formula:

s = vt

where,

s = distance covered by car during the time when driver was distracted in texting = ?

v = uniform speed of car = (95 km/h)(1 h/3600 s)(1000 m/1 km) = 26.39 m/s

t = time taken by the driver for texting = 3.5 s

Therefore, using these values in equation, we get:

s = (26.39 m/s)(3.5 s)

s = 92.36 m

Answer:

300x480 teaspoons

Explanation:

when converting cups to teaspoons just multiply by 48

Answer:

The answer should be 3tsp

Explanation:

3tsp