The fastest and longest skydive fell an amazing 19.5 miles. His average speed while falling was 254 mi/hr. How
much time did the dive last?
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We have that the best estimate for the mass of a typical lineman on a high school football team is

[tex]100,000 g=100kg[/tex]

From the options

1. 100,000 g

2. 100,000 kg

3. 100,000 mg

Generally

A Typical lineman cannot be as small as

[tex]100000mg=0.1kg=100g[/tex]

A Typical linesman cannot be as massive as

[tex]100,000kg[/tex] as that is unrealistic

With the Average Mass of A Typical linesman can be

[tex]100,000 g=100kg[/tex]

In conclusion

The best estimate for the mass of a typical lineman on a high school football team is

[tex]100,000 g=100kg[/tex]

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Distance = 2000m

Time = 35 minutes = 35×60 sec = 2100 sec

We know, Speed = Distance/Time

Therefore, Speed

= 2000m/2100s = 20/21 m/s

Answer: 20/21 m/s

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Answer:

30,000

Explanation:

1 gig is 1000 megabytes

Theodore is 170 centimeters from the finish line when Alvin crosses it.

The total distance is 451 cm, so we can find the time that takes Alvin to crosses the finish line as follows:

[tex] v_{a} = \frac{x}{t} [/tex]   (1)

Where:

[tex] v_{a}[/tex]: is the speed of Alvin = 19.28 cm/s

x: is the total distance = 451 cm

t: is the time that takes Alvin to crosses the finish line =?

By solving equation (1) for t, we have:

[tex]t = \frac{x}{v} = \frac{451 cm}{19.28 cm/s} = 23.4 s[/tex]

Now, after 23.4 seconds have elapsed, Theorode has traveled the following distance ([tex]x_{t}[/tex]):

[tex] x_{t} = v_{t}*t [/tex]

Where:

[tex]v_{t}[/tex]: is the speed of Theodore = 12 cm/s  

[tex] x_{t} = v_{t}*t = 12 cm/s*23.4 s = 281 cm [/tex]

The distance (d) that Theodore needs to travel to cross the finish line is:

[tex]d = x - x_{t} = 451 cm - 281 cm = 170 cm[/tex]

Therefore, Theodore is 170 centimeters from the finish line when Alvin crosses it.

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Answer:

C

Explanation:

The correct definition is distance / time, although teachers like to mix you up sometimes. A question like "How many minutes per mile does it take to go 3miles in 20 minutes?" In this question, the units are upside down.

The standard answer is what is the rate of speed when when 3 miles are covered in 2 hours.

Here the answer is 3/2 = 1.5 miles / hour which is the standard way of writing speed or rate. distance / time.

Last one has the greatest inertia

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It would take 0.3639 seconds for this acceleration to occur.

Given the following data:

To find how long it takes for this acceleration to occur, we would use the first equation of motion.

Mathematically, the first equation of motion is given by the formula;

[tex]V = U + at[/tex]

Substituting the values into the equation, we have;

[tex]12.9 = 6.03 + 2.5t\\\\2.5t = 12.9 - 6.03\\\\2.5t = 6.87\\\\t = \frac{2.5}{6.87}[/tex]

Time, t = 0.3639 seconds

Therefore, it would take 0.3639 seconds for this acceleration to occur.

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Answer:

[tex]velocity = \frac{distance}{time} \\ velocity = \frac{10}{12.20} \\ velocity = \frac{50}{61} \\ multiply \: by \: 3.6u \: can \: convert \: to \: km \: per \: hour \\ velocity = \frac{50}{61} \times 3.6 \\ v = \frac{180}{61} \\ v = 2.95 \frac{km}{h} \\ thank \: you[/tex]

Answer: As the temperature increases, the flow time increases.

Explanation: i took the test

The relationship between the variables on this graph is that As the temperature increases, the flow time increases, therefore the correct answer is option B.

It is a scale of temperature used to measure the temperature, the kelvin scale of temperature is also known as the absolute scale of temperature.

The Standard International unit of thermodynamic temperature is the kelvin, often known less frequently as the degree Kelvin. The formal definition of one kelvin is 1/273.16  of the thermodynamic temperature of pure water's triple point.

As shown in the graph as the temperature increase across the X axis the flow time is increasing as well, these two variables are directly proportional to each other.

Thus, The graph shows a link between the variables, showing that when the temperature rises, flow time also rises, hence option B is the proper response.

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Answer:

those quantity which are measured and expressed on mathematical process is called physical quantity

Answer:

[tex]300[/tex] cm are equivalent to [tex]3[/tex] m.

Explanation:

[tex]100[/tex] cm are equivalent to [tex]1[/tex] m.

[tex]100 \mathrm{~cm}$=1{~m}$[/tex]

[tex]3 \mathrm{~m}$=3\times100[/tex]

[tex]=$300{~cm}$[/tex]

To convert meters ([tex]\mathrm{~m}$[/tex]) into number of centimeters ([tex]\mathrm{~cm}$[/tex]), multiply that number by [tex]100[/tex].

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Answer:

32,000

Explanation:

There are 1,000 bytes in each kilobyte, so therefore 32,000 bytes are transferred each second.

Answer:

In atomic physics, the spin quantum number is a quantum number (designated ms) which describes the intrinsic angular momentum (or spin angular momentum, or simply spin) of an electron or other particle.

Answer:

Explanation:

The total number of protons in the nucleus of an atom gives us the atomic number of that atom. It is represented with the letter ‘Z.’ All the atoms of a particular element have the same number of protons, and hence the same atomic number. Atoms of different elements have different atomic numbers.

Explanation:

A scalar is a value that has only magnitude.

Answer: Dog's speed = (20 + 35) /12 = 4.583 m/s

Dog's velocity = (20-35)/12 = -1.25 m/s

Explanation: Speed is a scalar quantity so we don't care about direction which means we add the magnitude of both the directions i.e. east and west.

About the velocity, it's a vector quantity. So, we must be very careful with the directions and signs. In cartesian coordinates system, we generally take the right side of origin as the positive x-axis and the left side of origin as the negative x-axis. So, considering the same fact, we consider east as positive side and west as the negative side.

Therefore, when we add 20m + (-35m), we get = -15m and you already have the time period of  12 s.

Answer:

and the power to which the number should be raised:

1.50E2 = 1500

4.167E4 = 41,760

4.167E-4 = .0004176

Mass of the earth = 5.98 * 10^24 kg = 5.98E24 kg

Some examples of scientific notation

Answer:

hey Army

I'm B.T.S Army

안녕하세요

Answer:

The coil spring of a wind-up clock.

An archer's stretched bow.

Explanation:

Answer:

The kinematics equations describe the motion of an object undergoing constant acceleration

Explanation:

The kinematics equations describe the motion of an object undergoing constant acceleration. These equations relate the variables of time, position, velocity and acceleration of a moving object, allowing any of these variables to be solved for if the others are known

Answer:

I want to say 10 seconds but im not 1000% sure

Answer:

Average speed= distance traveled/ time taken.

Explanation:

You shouldn't need any formula, just use common sense. You dummy. It goes 20m 10h half a sec. DUH!!!

Speed varies with Distance travelled w.r.t time

[tex]\boxed{\sf Speed=\dfrac{Distance}{Time}}[/tex]

Whereas velocity varies with displacement w.r.t time.

[tex]\boxed{\sf Velocity=\dfrac{Displacement}{Time}}[/tex]

Answer:

D. Blackbody radiation

Explanation:

Such absorbs all colors of light due to the spectrum determined by temperature only.

The conversion in megayears, hours and seconds are :

[tex]1 \: para \: = \: 3.11 \times {10}^{8} \: megayears[/tex]

[tex]1 \: para \: = \: 2.72 \times {10}^{18} \: hours[/tex]

[tex]1 \: para \: = \: 9.81 \times {10}^{21} \: seconds[/tex]

Given that :

1 para = 311040000000000 years

1 mega year = 1 million years :

311040000000000 years expressed in mega years will be :

Let : number of mega years = p

1 mega year = 1,000,000 years

p = 311040000000000 years

Cross multiply :

311040000000000 × 1 = 1,000,000 × p

311040000000000 = 1000000p

p = 311040000000000 / 1000000

p = 311040000 mega years

p = 3.1104 × 10^8 mega years

[tex]1 \: para \: = \: 3.11 \times {10}^{8} \: megayears[/tex]

In hours :

In hours : 8760 hour = 1 year

Let : number of hours = p

1 year = 8760 hours

311040000000000 years = p

Cross multiply :

p = 8760 × 311040000000000

p = 2724710400000000000

p = 2.72 × 10^18 hours

[tex]1 \: para \: = \: 2.72 \times {10}^{18} \: hours[/tex]

In seconds :

31536000 seconds = 1 year

Let : number of hours = p

1 year = 31536000 seconds

311040000000000 years = p

Cross multiply :

p = 31536000 × 311040000000000

p = 9808957440000000000000

p = 9.81 × 10^21 hours

[tex]1 \: para \: = \: 9.81 \times {10}^{21} \: seconds[/tex]

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Answer:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.

Explanation:

LLLLLL

[tex]\boxed{\sf 1g=1000mg}[/tex]

[tex]\\ \sf\longmapsto 80g[/tex]

[tex]\\ \sf\longmapsto \dfrac{80}{1000}[/tex]

[tex]\\ \sf\longmapsto 0.08g[/tex]