80° 100% 70° 90% Relative humidity 60° 80% Air temperature 50° 70% 40° 60% 30° 50% Dew point temperature 6 A.M. Noon 6 P.M. Midnight 6 A.M. Day 1 Day 2 Figure 3: Curves of temperature, T, and RH during two consecutive days for a typical mid-latitude city. Temperature (°F) Relative Humidity

Q: The electrical resistance varies directly as the square of the voltage (V) and inversely as the…

A: V=12 V (voltage) P=4 W (power) R=36 ohms (resistance)

Q: Ftens 30 N Frens-30 N 45 Based on this diagram, the weight of the picture = O 21.2 N O 25.5 N O 32.8…

A:

Q: How fast is 90 km/hr in m/s?

A: Solution:

Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in two days by a 260-Watt incandescent…

A: Given data The power of the bulb is given as P = 260 W. The time interval is given as t = 7 hrs.…

Q: How do you convert 478 in Hg to Mpa?

A: Given:-  478 in Hg  Find:- convert 478 in Hg to Mpa?

Q: From the same graph above, which of the following is closest to the correct value of a ? 15 O 9/2…

A:

Q: A particular color of light has a frequency of approximately 8 X 1014 Hz. Use the relationship speed…

A:

Q: The diameter of a hydrogen atom is 0.00 000 000 012 m. Express this measurement using SI prefix to 3…

A: From the rule of Significant figures we find that, Trailing Zeros that are not used to hold the Zero…

Q: n electric heater had a power rating of 1.5 kilowatts if the heater is run for 6 hours and…

A: Given Power of electric power is P=1.5 kW Time is t= 6 h Cost is =$ 0.12 /kWh

Q: How much power, in W, is flowing through a voltage source of 20 V with a current of 80 mA?

A: Given : Voltage (V) = 20 V Current (I) = 80 mA = 0.08 A

Q: An AM radio broadcasting station uses a wavelength of 277.2 m. Calculate the frequency of these…

A: We know that, The wavelength is inversely proportional to the frequency. νλ=c          Equation 1…

Q: How much current is flowing through a circuit where the total voltage of the circuit is 7.01V and…

A:

Q: ½ (m/s) 4 2 t (s) 4 1 3

A: 17) Between t=0 s to 2 s, the position is increasing. Because in this period the particle has…

Q: the value the speed of light is now known to be 2.997 924 58 * 10^8m/s. Express the speed of light…

A:

Q: A flashlight bulb uses 15 watts at a voltage of 12 volts. Calculate the current (in amps) used by…

A:

Q: The table shows the set of five measurements recorded in a laboratory. The precision of 2nd…

A: The formula for finding the mean of the given measurement is given by, Here, Σx and n represents…

Q: 1. Voltage = current x resistance. Voltage is measured in volts, current is measured in amperes, and…

A: Given.- voltage and current relationship Voltage=current × resistance  Voltage applied- 3 volts…

Q: How many milliliters or liters are in a 3 inch pot

A: A 3 inch pot means a cubic pot with side 3 inch

Q: An infant’s pulse rate is measured to be (130.0 + 5.0) beats/min. What is the absolute uncertainty…

A: Given that:- Infant pulse rate=(130+5) beat/min

Q: easuring I e trd CA COM 2. From the above picture, the digital multimeter is used for measuring…

A: From the above picture, the digital multimeter is used for measuring ______  by connecting both…

Q: Approximately how’s long would it take for a telephone signal to travel 2900 mi? (Telephone signals…

A: Solution: Given that distance to travel by telephone signal = 2900 mi

Q: Convert the following standard form into scientific notation. 000000027 = ___2.7X10-8 356 =…

A: Scientific notation is a method which represents a number between 1 to 10 multiplied by the power of…

Q: . (Violet) 400 nm 2. (Red) 700 nm = . (Infrared) 800 nm. (Infrared)1600 nm = . THz? THz? THz? THz?

A:

Q: L = mv is the equation for ??

A:

Q: A microwave oven has a power requirement of 1,243 W. A frozen dinner requires 5.6 min to heat on…

A: The energy consumed by the oven can be obtained as E=Pt=1243W×1kW1000W5.6min×1h60min=0.116kWh

Q: 0 01 02 03 04 0S 0.607 08 0.9 1 11 1.2 13 1.4 15 16 17 12/L1 Rs(ohm)

A: From the given graph Resistance of the circuit is given as Rs Rs (ohm) is along y-axisL2L1 is along…

Q: student's meas mode calculate Student L1 Student 1 1.4717 Student 2 Student 3 1.4753 1.4719 Note…

A: Given:-               Student            L1            L2               L3               L4…

Q: What is the equation for current in terms of power?

A: The relation between power and current is given by,                  P=VI   ...............Equ.1…

Q: What is the voltage (in V) when the current is 168A and the resistance is 10ohms?

A: V= I.R Given V= ? I= 168 A R= 10 ohm

Q: - 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force exerted by the surface on…

A: Part (40): Given: The mass of the object is 2 kg.

Q: If an electrician works 4-and-3/4 hours a day on a job at $16.00 an hour, how much money does he…

A:

Q: Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh,…

A: We use 57 kWh of electricity at 0.35$ per kWh So cost of 57 kWh of electricity is 57×0.35$=19.95$ We…

Q: For an electrical component, the formulas for charge and voltage are given below. A is measured in…

A: The current is defined as the amount of charge flowing through a point per unit time.…

Q: What will be the appromixate cost in cents of running a 8 watt light for one week when electricity…

A:

Q: If the total surface area of the human body is 1.48 m² and the surface temperature is 303 K, find…

A: P=eAσT4 e is the emissivity A is the surface area σ is the Stephan's constant T is the temperature…

Q: should i just plug in numbers

A: Given: At point A:  PA = P,                     VA = V At point B:  PB = P/2,                    VB…

Q: The current in the circuit is 5A and the voltage is 15V . Then find the value of the resistance in…

A: Given: The current in the circuit is 5 A. The potential difference is 15 V.

Q: A resistance of 37 ohms is connected to a 16 V battery. Calculate the heat energy in joules ?

A: Given data :     Time  =  t    Voltage  =  V    Resistance  =  R        To find :       Heat energy

Q: An electric clothes dryer is rated at 3,400 W. How much energy does it use in 30 min?

A: power of electric cloth dryer (P) = 3400 W time (t) = 30 min

Q: 7. The current, I, measured in amperes, is given by the formula I = where P is the power usage,…

A: Given data :  Current, I= 0.5 ampere  Power , P = 60 watt

Q: A European automobile has gas mileage of 14.0 km/L. What is that gas mileage in miles per gallon?

A: Given data : A European automobile has gas mileage of 14.0 km/L   To find : Gas mileage in miles…