3. What is the frequency of a photon that has a wavelength of 2.5 x 107 m?

Q: From the diagram below, which vectors are negative from each other?

A: AB→ and z→ has arrow or head towards same direction , so they have same direction.x→ and DC→ has arr...

Q: rticles of charge – q are arranged symmetrically about the y axis; each produces an electric field a...

A: We know that according to the given two charges -q is arranged symmetrically about the y axis. which...

Q: Akiko Tam, a swimming champion whose mass is 60 kg stands on a rectangular swimming raft 3.0 m long ...

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Q: An outdoor concert speaker emits sound at 125 dB, as measured 1.00 meter away. How far away do y...

A: Given: Sound intensity level=125 dB Initial distance(R1) = 1 m Relatively safe sound intensity level...

Q: The sides of a right triangle are BC = 3, AC = 4, and AB = 5 cm. If + 10 statC charges are at the co...

A:

Q: An ultrasound wave with a frequency of 250 kHz is moving at 348 m/s. What is the wavelength of the w...

A: Given data:  Frequency (f) = 250 kHz Speed (v) = 348 m/s Required: Wavelength (λ) of the wave 

Q: 68° A = 14cm 2cm 5.2cm

A: The X component of a vector  A→making an agle © with the X axis is given by |A| cos© .  

Q: A point charge of +36 μC is placed 80 mm to the left of a second point charge of -22 μC. What force ...

A:

Q: Given the diagram below, which method is best used to find the resultant vector outlined in blue? Py...

A: Answer:- Pythagorean Theorem  Because    The resultant vector of adding two vectors that make a righ...

Q: 2 m Moment of Inertia Around Axis of Rotation Challenge Problem: Four objects m1, m2, m3, and m4 wit...

A:

Q: Take the TORQUE challenge 35 сm 5 cm 18 cm 2 cm B 19 cm 6 cm C m = 0.6 kg %3D What is the mass of ea...

A: Mass of item C, mC=0.6 kg, distance from center xC=6 cm, distance of mD from center xD=19 cm, distan...

Q: List two (2) applications of mutual induction.

A: when there is change in current in coil , its magnetic field will changes. this change in magnetic f...

Q: A projectile is shot from the edge of a cliff 100 m above ground with an initial speed of 100 m/s at...

A:

Q: Figure 3.19 The nearly parabolic trajectories of a bouncing ball. We can get a lot of information fr...

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Q: A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver accelera...

A: Initial velocity of car =0 Final velocity of car =15m/s Distance covered = 100m

Q: 2. Compute the electrostatic force experienced by +4.0 x 10–7 C charge from the following electric f...

A:

Q: The aorta is the main artery from the heart. I typical aorta has an inside diameter of 1.8 cm and ca...

A: Typical diameter of aorta =1.8 cm Speed of blood in typical aorta=35 cm/s Diameter of artery reduced...

Q: Find (a) the energy absorbed as heat and (b) the change in entropy of a 2.78 kg block of copper whos...

A: the energy absorbed as heat is given by Q=mC ( T2-T1 ) where m = mass of copper  C = specific heat o...

Q: 1. An object is placed 30.0cm in front of a converging lens and then 12.5cm in front of a diverging ...

A:

Q: What is the electric field magnitude E, created by the charge q, at the point (4.5, 0) m?

A: In this question we have to find the Electric field due to charge q1. Please give positive feedback ...

Q: a) Find the current flowing through the battery immediately after the switch is closed. b) Find the ...

A:

Q: Part A A downward electric force of 3.2 N is exerted on a -8.2 µC charge. Find the magnitude of the ...

A: Given : Force = 3.2 N and charge is 8.2 micro coulomb

Q: A water tank of Mr Ong springs a leak from which water emerges at 5.0 m/s. What is the height  of th...

A:

Q: 1. A 50g weight is suspended from two cords. One cord exerts a force of 30g and makes an angle of 75...

A: Given  Weight ,W = 50g  F1 = 30g  F2 = F g    

Q: (2-10) A charge q1 = -5 µC is located at (x,y)=(0,3) m. Another charge of q2 = +4 µC is located at (...

A:

Q: The steel bed of a suspension bridge is 200 m long at 20 °C. If the extremes of temperature to which...

A: Given bridge  length L =200m at temperature t=20°C And  temperature exposed are - 30°C to +40°C We h...

Q: The magnitude of the magnetic flux through the surface of a circular plate is 5.00 x 10-5 T. m² when...

A:

Q: answer neatly and whole solution  a car is travelling due east at a rate of 36.2 kph and a train is ...

A: Given  Speed of car = 36.2 kph = 36.2 × 1000/ 3600    =10.05 m /s   Speed of train =74.7 kph = 74.7 ...

Q: 2.68 . CALC An object's velocity is measured to be v,(t) = a – Bi 4.00 m/s and B = 2.00 m/s'. At t =...

A: Given: The velocity of the object is given as. vt=α-βt2                                             ...

Q: As shown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 3.18 A and I,...

A: given I1 =3.18A I2 =4.7A d=10cm

Q: A ball is thrown horizontally with a velocity of 5 m/s from the top of a tall cliff. Neglecting air ...

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Q: Junjun is standing at a window 6m in height, watches a falling object pass by the window in 0.4 seco...

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Q: Two students are having a debate about the forces acting on a stationary object. Lawrence says that,...

A: The answer is below

Q: Given the ff vectors : A = 5 km, East ; B = 8 Km west ;C = 7 km, south ;D = 4 km, north ; E = 9 km, ...

A: We have given the five vectors  is given as  A→= 5i^ km  &    C→= -7 j^ km B→= -8i^ km  & D→...

Q: A pendulum bod weighing 500 g is suspended on a fine wire. What is the tension an the wire when the ...

A: The answer is below

Q: Compute the EQUIVALENT RESISTANCE of the circuit shown below. Then find the voltage drop across each...

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Q: Determine the magnitude of the electric field at a point midway between a -8.0 uC and a 8.6 uC charg...

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Q: a) What is the mass of a 100-N crate of delicious peaches? (Recall the formula for weight is W = mg)...

A: Given that:- Weight of a crate of delicious peaches=100N

Q: What is the magnitude of the magnetic moment of the bar magnet? Take the magnitude of Earth's magnet...

A: In this question we have to find the magnetic dipole moment of the bar magnet. Please give positive ...

Q: A rectangular object weighs 400 N. It displaces a volume of water that weighs 300 N. Draw the figure...

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Q: all positive test charge is released near a fixed positive point charge, it will fly away from the p...

A: We know that the  formula of the force between the charge is given as  F = kq1q2r2 where q1 and q2 a...

Q: (Q1) Light of wavelength 424 nm falls on a metal which has a work function of 2.28 eV. a) How much v...

A:

Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage a...

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

Q: . A certain lightbulb has a tungsten filament with a resistance of 19.0 N when at 20.0°C and 140 N w...

A:

Q: What is the acceleration of a car if it starts from rest and accelerates uniformly over a time of 2....

A: Given data:  Initial velocity (Vi) = 0 m/s Time (t) = 2.2 s Distance (d) = 30 m Required: Accelerati...

Q: An ideal monatomic gas initially has a temperature of 276 K and a pressure of 7.98 atm. It is to exp...

A: Given  Initial temperature T1  = 276 K   Initial pressure P1 = 7.98 atm  Initial volume   V1  = 426 ...

Q: The Ocean's level is rising about 1.5 millimeters (mm) per year. At this rate, in how many years wil...

A: Water rises 3 m or 3000 mm. As water level rises at a rate 1.5 mm/ year  then it takes 3000mm/1.5mm=...

Q: Situation 01. A car is traveling due East at a rate of 36.2 kph and a train is due North at a speed ...

A: Given Speed of car = 36.2 kph = 36.2 × 1000/3600 = 10.05 m/s Speed of train= 74.7 kph = 74.7×1000/36...

Q: 4- |Ā| A 5- | B| 6-А. В

A: Given data:  A→ = 2i^ + 3j^ + 4k^B →= i^ - 2j^ + 3k^

Q: A projectile is shot from the edge of a cliff 100 m above ground with an initial speed of 100 m/s at...

A: In this question we have to find the time taken by the projectile to hit the ground. Please give pos...