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3 years ago

One of the first recorded uses of forensic entomology being used in a criminal case happened in what time period?

2 answers:

4 0

The concept of forensic entomology dates back to at least the 13th century. However, only in the last 30 years has forensic entomology been systematically explored as a feasible source for evidence in criminal investigations

KengaRu [80]3 years ago

4 0

From what i know, they have been tracked all the way back to somewhere in the 13th century

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When an spoon is in a cup of water what is it? diffraction reflection refraction absorption bounce

Gekata [30.6K]

When a spoon is in a cup of water, is called refraction.

5 0

4 years ago

If a star is hotter is the wavelength shorter and higher energy?

insens350 [35]

Answer:

That is true, the hotter a star is the shorter of wavelength it emits and the higher. It also depends on the mass of the star because the bigger it is, the faster it fuses its hydrogen fuel. Faster burning of fuel means more energy is released and so results in higher temperatures.

Hope this helps! Good luck :)

Explanation:

3 0

3 years ago

Read 2 more answers

Assume that you are considering the purchase of a 20-year, noncallable bond with an annual coupon rate of 9.5%. The bond has a f

DiKsa [7]

Answer:

$1,105.69

Explanation:

For this question we use the Present value formula that is shown on the attachment. Kindly find it below:

Given that,

Future value = $1,000

Rate of interest = 8.4% ÷ 2 = 4.2%

NPER = 20 years × 2 = 40 years

PMT = $1,000 × 9.5% ÷ 2 = $47.50

The formula is shown below:

= -PV(Rate;NPER;PMT;FV;type)

So, after solving this, the maximum price pay for the bond is $1,105.69

5 0

3 years ago

Read 2 more answers

You are on an interstellar mission from Earth to the distant star Sirius, which is 8.7 light years away. Your spaceship can trav

gulaghasi [49]

Answer:

(a). 12.43 years.

(b). 3.89 × 10^ -9 kg.

Explanation:

So, we are given the following data or parameters or information which is going to assist us in solving this question;

=> " mission from Earth to the distant star Sirius has a light year = 8.7 light years away. "

=> "The spaceship can travel with 70% the speed of light"

=> " The spaceship's cylinder shape has a diameter of 6 meters at the front surface and a length of 25 meters. "

=> density = 1 hydrogen atom/m^3.

Step one: convert light year to metres.

J = 8.7 × 9.461 × 10^15 = 8.23 × 10^16 m.

Step two: convert percentage speed of light to metre per seconds;

70% = 70/100 = 0.7.

U = 0.7 × speed of light = 0.7 × 3.0 × 10^8 = 2.1 × 10^8 m/s.

(a).

Step three: determine the time taken(convert to years);

J / U = time taken; = 8.23 × 10^16 m/ 2.1 × 10^8 m/s = 12.43 years.

(b). The mass of interstellar gas that collides with your spaceship during the mission;

Volume= {(6m)^2 × 22/7}/ 4 × ( 8.23 × 10^16 m). = 2.33 × 10^18 m^3..

Density = mass/volume .

Mass= [24 × 365 × 3600 × 3 × 10^8 × 8.7 × 1.673 × 10^-27 × 6^2 × 22/7]/4 = 3.89 × 10^ -9 kg.

3 0

4 years ago

A current of 3.2 Amps flows through a 7.0 Ω resistor in a circuit. Calculate the voltage.

anygoal [31]

Answer:voltage=22.4volts

Explanation:

current=3.2A

Resistance=7ohms

Voltage =current x resistance

Voltage=3.2 x 7

Voltage=22.4volts

8 0

3 years ago