An earthquake has an amplitude of 7,000 micrometers and a period of 0.00007 second. Find its measure on the Richter scale

Q: A nurse examines the records of the temperature measurements of a hospital patient over the past ten…

A: Given that, 97 98 99 100 99 99 103 99 105

Q: You have your ear against a new speaker when it emits a sounds with an intensity of 160 decibels

A: 1)Sounds below 70db don't cause any hearing damage.   2) Beyond 70db sounds isn't good for your ears…

Q: 2. Calculate the sound intensity in watts/m2 of a 65-decibel sound.

A: Given,             65 DBWe have to find out Sound Intensity in watts/m2.

Q: A stick 1 meter long casts a shadow 0.9 meters long. A building casts a shadow 21 meters long. How…

A:

Q: use a calculator to find the approximate value of each expression rounded to two decimal places.

A:

Q: Use a calculator to approximate the value of the expression arccos(−0.7), if possible. Round your…

A: Given: To Find: To approximate the value of the given expression by using a calculator.

Q: evuluste 1 dw

A: To evaluate ∫14-9w2dw, use the power rule, ∫xndx=xn+1n+1+C and the chain rule of integration and…

Q: A microphone recorded the following sound/pressure wave over time. 180 140 Time (s) 100 8. 12 20 24…

A:

Q: What is t ? Round to the nearest hundredth decimal place.

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: CSC 6 ? What is the exact value of

A: We can find the exact value as below.

Q: Energy is measured in Joules or electron volts صواب ihi

A: We have to find the unit of energy

Q: The amount of precipitation received at the Thunder Bay Airport during the month of June is measured…

A: Given that,  The amount of precipitation received at the thunder Bay Airport during the month june…

Q: 3.7 Now use your calculator to find |4"dx. Round your answer to the nearest thousandth. -2

A: NOTE:  As per our guidelines we are supposed to answer only one question.

Q: (a) What does the Richter scale measure? (b) Define the magnitude M of an earthquake in terms of the…

A: On the original Richter scale, the smallest earthquakes measurable at that time were assigned values…

Q: Use a calculator to evaluate sec(-114°). Round your answer to four decimal places.

A:

Q: Find the MLE of 0.

A: It is known that MLE maximizes the likelihood function or log-likelihood function. First we have to…

Q: A stone is thrown vertically upward from the top of a house 112 feet high. If it was thrown at 96…

A: In this problem:the time to go stone to the highest point from roof = the time for stone to go from…

Q: use a calculator to find the approximate value of each expression rounded to two decimal places.

A: Consider, cot-1(-8.1) = A we know that, cot-1(x) = y,  0<y<π Thus, the angle lies in the…

Q: cos(pt +a).cos (pt+ B ).

A: Apply product formula

Q: n decibels, given its intensity. Let loudness of a sound be dand / the physical intensity. Suppose

A:

Q: What is the photon frequency (Terahertz = 1012 Hz) needed to move an electron in a hydrogen atom…

A: We will find out the required frequency.

Q: In a rope, a beat can be modelled with A = 15e^-x^2, where A is the amplitude of the beat in cm. How…

A: Rate of change of amplitude of beat can be found out by d(A)dx

Q: Find the numerical value of each expression a .  cosh 3              b.cosh (ln 3)

A: Consider the equation

Q: use a calculator to find the approximate value of each expression rounded to two decimal places.

A: To find the approximate value of expression

Q: A certain forest covers an area of 4400 km. suppose that each year this area decreases by 4.75%.…

A: Given :  Original / initial area ( A) is 4400 km2 . Each year, for a span of 13 years, the area…

Q: Use a calculator to find an approximate value for each expression,rounded to two decimal places.…

A: Given sec-13

Q: Two earthquakes struck Papua, Indonesia, in February 2004. One had a magnitude of 7.0 on the Richter…

A: Magnitude is measured by Richter scale which is a logarithmic scale with 10 base.

Q: A stone is thrown vertically upward from the top of a house 112 feet high. If it was thrown at 96…

A:

Q: use a calculator to find the approximate value of each expression rounded to two decimal places.

A: arccot-5=2.72105…

Q: pal temperature increases are benchmarked to the average temp perature was 0.72°C above the…

A: In this question, the concept of linear equation is applied. Linear Equation An algebraic equation…

Q: use a calculator to find the approximate value of each expression rounded to two decimal places.

A: cot-12

Q: Use a calculator to approximate each value to four decimal places.     sec 0.8

A: Given,          sec0.8

Q: Find an upper bound for the magnitude |E

A: Given,

Q: Estimate the orbital period of Jupiter, assuming that a = 77.8 * 1010 m.

A: Given, Radius of Jupiter (rJ)= 77.8 x 1010 m

Q: 411. What is the decibel level of a train whistle with intensity 10 watts per square inch?

A: We know that decibel level of sound is B=10log10II0 where I0=1×10-12W/m2 Now, intensity of train…

Q: Use a calculator to approximate the value arccos (0.051). Round your answer to two decimal places.

A: Given:0.051  To calculate approximate value across ( 0.051) and round it to two decimal places

Q: Use a calculator to find a decimal approximation for each value. sec (-221°45') sec (-221°45') =O…

A: Given that: sec(-221°45')

Q: Give an approximate value of e, correct to four decimal places.

A: We have to find approximate value of e, correct to four decimal places. Here e is the Euler's number…

Q: 1. For an earthquake that measures 7.0 on the Richter scale what is the amplitude of the energy…

A: Given Richter magnitude R(A)=logA2.5+4.25  where A is the amplitude of the energy waves

Q: In 1986 in earthquake earthquake measuring 5.0 on the richter scale hit the north east section of a…

A: Ritcher scale is a base -10 logarithm scale , meaning that each order of magnitude is 10 times more…

Q: How fast is the distance between the range finder and the balloon increasing (in meters per minute),…

A:

Q: What is the intensity level of a lawm mower if the sound has the intensity of 0.00063 W/m^2?

A: Given  Intensity level L = 10 log(I/Io) db I = 0.00063 W/m2 = 63× 10-5 W/m2 Io =  10-12 W/m2

Q: The higher frequency limit for human hearing is 24.3 kHz. If the air temperature is 18.5 °C, the…

A:

Q: The thickness of a book is determined by the thickness of its cover and its pages. The front and…

A: Given that  The front and back covers are each about 5mm thick . Every 25 pages adds an additional…

Q: A certain forest covers an area of 1600 km2 . Suppose that each year this area decreases by…

A: Given initial area covered by forest A = 1600 Km2 Rate in which area changes r = -7.5% = -0.075…

Q: Use a calculator to approximate sec 4.     1.0024

A: To determine: Approximate the value of sec4 using calculator.

Q: Find the value of X in Figure A 430 100ft

A:

Q: The coefficient of variation for the systolic measurements is %. (Type an integer or decimal rounded…

A: Answer:-

Q: thermometer reading 70F is placed in an oven preheated to a constant temperature. Through a glass…

A: Consider the temperature at the initial stage is  The newton’s law of warming is, Where  is…

Q: What is 1550 dm expressed in hectometers

A: 1000dm= 1 hm where hm denotes hectometre. Therefore, 1dm=11000hm 1550dm=11000×1550=1.55