When is the relative humidity 100%? It may be raining, but a sheltered psychomotor doesn’t read 100%. Why not? What information does Doppler radar give that conventional radar cannot give?

Q: 3. (a) Draw the magnetic force on a proton moving horizontally to the right (+x direction) on a shee...

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Q: A radioactive sample has a decay constant of 0.2193/min. (a) What is its half-life? (b) If at the st...

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Q: Starting at time t = 0, an object starts moving along a straight line. Its coordinate in meters is g...

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Q: A wagon accelerates 15.0 m/s2 when a force of 650.0 newtons is applied to it. What is the mass of th...

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Q: A station is given a carrier frequency of 88 kHz. Having a modulating frequency of 12 kHz, compute f...

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Q: At a pressure of 80 kpa, a gas occupies 500 mL if the gas expands to 1200 mL, what will the pressure...

A: P1 = 80 kPaV1 = 500 mLV2 = 1200 mLP2 = ?

Q: A 2.0 kg block hangs by a string from the ceiling of an elevator. The elevator is moving down with a...

A: Given Mass of the block= 2[kg] Constant velocity at which the elevator moves down= 7.9[m/s] Here the...

Q: A pulley has a constant angular acceleration of 3 rad/s2. When the angular velocity is 2rad/sec, tha...

A: Centripetal acceleration is, ac=ω2r

Q: Given that z = -7, find Vz %3D

A: SOlution: given that z = -7 to find fifth root (z)

Q: Calculate the wavelength of a waveform given the period of 17μs.

A: The expression for the wavelength is λ=cf Here, λ is the wavelength, c is the speed of light, f is t...

Q: please show the work for a,b,c

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Q: Heat always flows

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Q: 1. A missile is launched horizontally at A with the speed vo = 188 m/s. the horizontal distance trav...

A: Given- Initial velocity of missile (u) = 188 m/s Horizontal distance traveled (d) = 1200 m  Final ve...

Q: Q1: The two forces shown act at point A of the bent bar. Determine the resultant R of the two forces...

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Q: How far must two objects on the Moon be from each other so that they can be solved by the eye withou...

A: Diameter of the pupil is d = 5 mm = 5 x 10-3 m Wavelength of the light is 600 nm

Q: Scalar or dot product of vectors -7 i+ -7j+ -8 k and 9 i+ -3 j+ -2 k is: Answer:

A: Given vectors: Vector A= [ -7i + (-7j) + (-8k) ] = ( -7i - 7j - 8k ) Vector B = [ 9i + (-3j) + (-2k)...

Q: Light from glowing hydrogen contains discrete spectra lines at 656.3nm and 486.1nm. Viewed through ...

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Q: 1. a) Find the magnitude of the current through the 20.0 Q resistor. b) Find the direction of the cu...

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Q: Consider a charged sphere of radius R and charge Q uniformly distributed over its volume. Find the e...

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Q: A crate is hanging from two ropes and a person is lifting it with a force of 100N. If the crate has ...

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Q: 15. The resistance of the following resistor, fig. 2, is Green Blue Red Fig 2. a) 339 2 b) 5.6 k2 c)...

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Q: A separate engine operates with a hot reservoir temperature of 600 K and a cold reservoir temperatur...

A: Given  T1 =600 K And T2=300 K   Find the maximum efficiency. 

Q: Scattering Loss. At A, = 820 nm the absorption loss of a fiber is 0.25 dB/km and the scattering loss...

A: Given: The absorption loss is l=2 dB/km. The scattering loss at 820 nm is L=2.25 dB/km. The expressi...

Q: Q2) If the electron concentration increase along the x-axis of a conductor as shown in equation belo...

A: Given electron concentration along X axis, n=1028+5*1030x+1033x2 electron diffusion constant=D=1.2*1...

Q: 4. Calculate the total work done by the system from a; = 1.40 m to af = 4.80 m when force applied on...

A: Write the equation for the work done. W=∫xixfFxdx Substitute the expression for the force in the equ...

Q: An outfielder is trying to throw out a runner at home plate. The distance from the player to home pl...

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Q: A 52.0-kg person jumps from rest off a 4.20-m-high tower straight down into the water. Neglect air r...

A: The given data are: m=52 kgh=4.2 md=1.2 m Here, m denotes the mass, h denotes the height of the towe...

Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift w...

A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.

Q: Four resistors are connected to a battery as shown in the figure below. (a) Determine the potential ...

A: Given data: The value of resistance is, R1=RR2=2RR3=4RR4=3R

Q: 26. A region of space contains a uniform electric field, directed toward the right, as chown in the ...

A: OPTION (C) IS THE  RIGHT ANSWER 

Q: Explain the term amplitude as it relates to the graph of asinusoidal function.

A: Sinusoidal function: fx=±a sinbx+c+d where a is amplitude Graph of sinusoidal function:

Q: Condensation of water in the air is an important process in determining the climate of an area. When...

A: Heat of condensation is just opposite to Heat of vaporization It is the amount of heat released when...

Q: Two soccer players start from rest at 40m apart. The first player accelerates at 0.2m/s^s and the se...

A: Given : d=40m a1=0.2 m/s2 a2=0.3 m/s2  

Q: (Q 1) Suppose an electron approaches (moves) in the direction of the hydrogen nucleus. What are the ...

A:

Q: Hey

A: Smallest is  8.4 × 1019

Q: Q.1 The motion of a particle is defined by the relation x = 2 - 18 + 48 - 16, where x and t are expr...

A: Velocity of a particle is given by v=dx/dt Accerelation is given by a=dv/dt

Q: 357 kg car is moving at 35–. The driver then accelerates at 3.5 for 18.3s s2 a. How fast is the car ...

A: given   m=1857 kg      initial velocity u=35 m/s      acceleration a= 3.5 m/s2     t=18.3 s v = u +a...

Q: Consider the circuit shown in the figure below. The battery has a voltage of 25.0 V. (Assume R, 10.0...

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Q: A0.850-m-long metal bar is pulled to the right at a steady 6.0 m/s perpendicular to a uniform, 0.850...

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Q: Q4/ Two electric charges Q= - 750 mC and Q:= 0.5 C at 70 cm apart. Calculate ; 1- The Electric force...

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Q: #1

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Q: Help

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Q: V:43)

A: Correction : The graph is given only for 23 hours. There is a typo error on x axis scale between 10 ...

Q: Consider a line charge of density 6 nC/m located at x = 1, y = 1. Determine the amount of flux, in n...

A: Given- Density of charge (σ) = 6 nC/m = 6 x 10-9 C/m Radius of sphere (r) = 13 m For charge (q) =  σ...

Q: 2- The moment of a certain force (F ) is ( 180 N.m ) clockwise about (o) and ( 90 N.m) counterclockw...

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Q: What Optical Density? Is high Mass Density effect? Explain with examples?

A: Optical density of a medium tells us about how fast light travels in that medium. The medium in whic...

Q: A 60-watt light bulb carries a current of 0.5 A. The total charge passing through it in one hour is:...

A: Solution: given that P =60 W I = 0.5 A to find the charge passed in one hour

Q: Starting at timet = 0, an object starts moving along a straight line. Its coordinate in meters is gi...

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Q: In a student laboratory exercise, the wavelength of a 64,300 Hz ultrasound wave is measured to be 0....

A: Frequency of the ultrasound wave is f = 64300 Hz Wavelength of the ultrasound wave is 0.534 cm = 0.0...

Q: A force of 20N acts on an initially stationary object with a mass of 2000g. What is the velocity of ...

A:

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?