9. Earthquake Magnitude and Intensity(a) Find the magnitude of an earthquake that has an intensitythat is 31.25 (that is, the amplitude of the seismographreading is 31.25 cm).(b) An earthquake was measured to have a magnitude of4.8 on the Richter scale. Find the intensity of theearthquake.

Q: The shape of a colony of bacteria on a Petri dish is circular. Find the approximate increase in its…

A:

Q: 8. A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a…

A:

Q: (b) A hollow cylindrical tube has a radius of 10 mm and a height of 100 mm. The tube sits flat on…

A:

Q: A kite 100 feet above the ground moves horizontally at a speed of 6 t/s. Denote by z the horizontal…

A: To determine the rate of decrease of the angle that the string make with the horizontal, first we…

Q: A mass weighing 14 pounds stretches a spring 2 feet. The mass is attached to a dashpot device that…

A:

Q: SIu C phenomenon is f | fo, where %3D c + v fis the observed frequency (pitch) of the sound, in…

A:

Q: Force varies directly with pressure. A force of 22,000 newtons acts on an object, causing 110 N / m…

A: Force proportional to pressure

Q: Consider the following problem. Find the distance traveled in 14 seconds by an object traveling at a…

A: Here, the velocity is constant. We can use pre calculus to determine the distance traveled using…

Q: When turning a piano, a technician strikes a tuning fork for the A above middle C and sets up a wave…

A:

Q: 2. 3 tan? 0 – 8 tan 0 + 5 = 0 - (Hint: You need to use tan- on your calculator, round to two decimal…

A:

Q: 96. Effect of Gravity on Jupiter If a rock falls from a height of 20 meters on the planet Jupiter,…

A: Given: H(x)=20-13x2

Q: Question with Hyi N 7 R2 one Obtain atest statis tic of Z 1ou E-1.578, Find to far decimal places…

A:

Q: Hearing Loss from MP3 Players Recent research has shownthat the use of earbud-style headphones…

A: (a) Given that, the intensity of sound from speakers is 3.1×10-5W/m2. By the definition decibel…

Q: 1 of a mile, and it is used for measuring distances on horse racetracks. If a horse runs 8 A furlong…

A:

Q: the intensityof a earthqualke ean be Calculaded エ= Io(b) Using I the intenisitly of earthquoke M: e…

A:

Q: The difference in two sound levels, Bi and B2, in decibels (dB), is given by the logarithmic…

A: Here the ration connecting the difference in sound levels and ratios of intensities are given. So to…

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: Consider the function f(x) = 3(cos(x - Pi/2) + 1). What’s the amplitude, period, and midline

A: Simple first draw the graph of fx the check it the coefficient of cos it equal to amplitude.. And…

Q: 10. At 9 AM, the thermometer reading is 70°F is taken outside where the temperature is 15°F. At 9:05…

A: Solution:-     Given that:-        t=0        t=70°F    &  t= 5, U=45°F a According  to the…

Q: Water is leaking out of an inverted conical tank at a rate of 7,000 cm?/min at the same time that…

A:

Q: temperatures (60 °C, ed. Upon checking, the s according to size. Dr s. The capsaicin conter in beloA

A: Given as, Sources of variation F p-value Size 2.1654 0.1560 Temperature 8.6013 0.0034

Q: A red and a blue car leave Bellevue at the same time. The red car drives south and the blue car…

A: Given: The red car is going south at a speed of 55 km/h, The blue car is going west at a speed of 75…

Q: 5/ 4+ The number lim n is equal to 5. e dx e* dx 07 e dx e dx

A:

Q: Water is leaking out of an inverted conical tank at a rate of 8,000 cm/min at the same time that…

A: Formula used-  Actual inflow rate = inflow rate for increased depth + leakage rate

Q: Hearing Loss from MP3 Players Recent research has shown that the use of earbud-style headphones…

A: Consider the given: a) I=3.1×10−5 W/m2βdB=10log103.1×10−510−12=74.91≈75 dB

Q: speed and average PROBLEM 1: An Olympic swimmer swims 50 m in 23.1 secs. What is his average speed?

A:

Q: 2. The voltage V in electrical circuit is represented by the function V(t)=10cos120t. where t is…

A:

Q: turtle moves at a rate of 3/4 m an hour. The turtle is 8 1/2 meters from the beach. How long until…

A:

Q: 1. A cup of chocolate whose temperature is 200°F is poured in a room whose temperature is 70°F. Two…

A: Given that, A cup of chocolate whose temperature is 200°F is poured in a room whose temperature is…

Q: 3) tan 0 8. 10

A:

Q: 4. A player kicks a football from ground level with an initial velocity of 27 m/s, 30 degrees above…

A:

Q: 38. Given the data for 2015-16 and 2016-17: Commodity A Commodity Po 1. Pi 10 91 where p and q…

A: First we have to find the Laspeyres and Paasche index numbers.

Q: 1. A thermometer is removed from a room where the air temperature is 70° F and is taken outside,…

A:

Q: 8. A train's horn is producing a sound wave of frequency 500 Hz. If the train moves toward a…

A: Given: Train's horn frequency fs=500 Hz Train is moving toward the Observer To find: Frequency of…

Q: 11. In a sine wave: a) At what angle, or angles, is the amplitude increasing at its fastest rate? b)…

A:

Q: 2. 4 6. 8 10 12 14 Temperatur Frequency 4 8 10 14 9.

A: The dataset, observed from the histogram is as follows Class Frequency Cumulative frequency 4…

Q: The Capital Wheel is a Ferris wheel at National Harbor, Maryland 165 feet in diameter and boarded…

A:

Q: On the Richter scale, the magnitude R of an earthquake of Intensity given by In I R = In 10 a. Find…

A: Given: On the Richter Scale, the magnitude R of an earthquake of intensity I isgiven by:R=lnIln10.…

Q: Consider the following problem. Find the distance traveled in 35 seconds by an object traveling at a…

A:

Q: Two cars are moving towards an intersection. One car is 170 meters north of the intersection and…

A:

Q: A metal bar at a temperature 100°F is placed in a room at a constant temperature of 0°F. If after 20…

A: The given problem is an application of Newton's cooling law so we have to use Newton's law of…

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: A car crosses an intersection as a fire engine approaches the intersection at 50 ft/s. how far does…

A:

Q: Consider the following problem. Find the distance traveled in 50 seconds by an object traveling at a…

A: velocity v(t)=20+3cos(t)   ....(1)According to question given that t=50 second Now substitute t=50…

Q: 3. A thermometer reading 70°F is placed in an oven preheated to a constant temperature. Through a…

A:

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

A: Answer:-

Q: A voltage V across a resistance R generates a current I = V/R. If a constant voltage of 3 volts is…

A:

Q: spring is attached to the ceiling and pulled 6 cm down from equilibrium and released. The amplitude…

A: spring is attached to the ceiling and pulled 6 cm down from equilibrium and released. The amplitude…

Q: argin of Error E = The 80% prediction interval for the value of y at x0=20 is between  and  Round…

A: standard error = 1.8708 critical value = 1.9432

Q: charge Q  acts as a point charge to create an electric field.Its strength, measured a distance of…

A: From the given information,  Distance (r)=30cms =0.30m Strength (E)= 40N/C To find the magnitude of…