Several ducks are floating on a lake on a windy day. The ducks bob up and down every two seconds as a result of the waves. Whenever one particular duck moves up, it can see another duck ten meters away moving down. What is the speed of the waves?

Q: 16. An engine rated at 5.0 × 104 watts exerts a constant force of 2.5 x 103 newtons on a vehicle. De...

A: As per Bartleby guidelines I am answering only the first question(question 16).

Q: R, R2 E2 E1 R3

A: E1 = 3 volts E2 = 5 volts R1 = 1 ohm R2 = 2 ohm R3 = 3 ohm 

Q: Which of the following statements is INCORRECT about the factors that can affect the capacitance of ...

A: When two parallel plate are placed closely and connected to the battery, the plates are charged and ...

Q: 2. In the figure shown, the magnitude of the uniform electric field is E = 70 kN/C . Calculate the e...

A:

Q: Two protons in the nucleus of a 238ų atom are 6.0 fm (6.0x101$m) apart. What is the potential energy...

A:

Q: Two concentric spherical surfaces A and B are equipotential surfaces for a positive charge +q placed...

A: a) As the surfaces are equipotential, so they will not interact on +Q or the charges that will be in...

Q: Which of the following represents a diagram showing conventional current?

A: The conventional direction is from positive terminal of battery  to negative terminal of the battery...

Q: Show your solutions 1. A battery is connected across a light bulb with an internal resistance of 80 ...

A: Given value--- internal resistance = 80 ohm . current = 150 mA. We have to find--- What is the vo...

Q: Three point charges are located along the x-axis. Point charge q1 = +3.5 x 10-6 C at x = 0, point ch...

A:

Q: A spring oriented vertically is attached to a hard horizontal surface as in the figure below. The sp...

A: Compression Springs are open-coil helical springs wound or constructed to oppose compression along t...

Q: - A7 kg rifle fires a 20-g bullet with a velocity of 290 m/s. Find the recoil velocity of the rifle.

A:

Q: The sound bats make has a wavelength around 0.0063 m. If the speed of sound in air is 340m/s, what i...

A:

Q: What is the electric flux if a 3.2 m2 surface is inclined at 65O from the vertical to an 8.5 N/C hor...

A:

Q: Problem No.1 Ix = 0 A force of 50N stretches a spring in the figure by 200 mm. (a) What is the sprin...

A:

Q: Show all work 2.00V - M. Answer the following questions based on the circuit above, which includes a...

A:

Q: 14. Find the intensity of sound in W/m2 at a distance of 10 m away from a speaker whose power output...

A:

Q: 3. You are operating a remote-controlled model car on a vacant tennis court. Your position is the or...

A: Given: car's position with time x=2.0-0.25t2y=1.0t + 0.025t3 yours position (0,0)

Q: two tiny charged spheres q1 = 7.29 µC and q2 = -7.11 µC separated by 70.34 cm. If q3 = -5.71 mC is p...

A:

Q: The figure below shows an initially stationary block of mass m on a floor. A force of magnitude F = ...

A: Given: The mass of the object is m. The applied force is 0.45mg at angle of 22o.  

Q: 27 S2 ww 42 2 ww 11 2 ww 25 V 20 2 ww Find its equivalent resistance. Answer in units of 2.

A: given circuit as shown in figure

Q: Oppositely charged parallel plates are separated by 4.85 mm. A potential difference of 600 V exists ...

A:

Q: Part A A small, 250 g cart is moving at 1.50 m/s on a frictionless track when it collides with a lar...

A: The answer is below

Q: A cannonball was launched at an angle of 15° with an initial velocity of 25 m/s. What maximum height...

A:

Q: 11. Which of the following does not depict the correct link between technology and physics? (a) Opti...

A:

Q: A weight of 200lbs. rests on an inclined plane that makes an angle of 35° with the horizontal. If th...

A: W=200lbsθ=35°μ=0.3

Q: A string on a guitar has a fundamental frequency of 110 Hz. Find the frequency of its 4th overtone.

A: We have the fundamental frequency of the string fo. It is the frequency of the first harmonic. Harmo...

Q: An air-core solenoid having 4000 loops is 120 cm long and has a diameter of 4 cm. If a current of 10...

A:

Q: Can someone help me please Given the following three vectors: A: 300 m at 50° and B: 40 m at 150° an...

A:

Q: A 73kg runner starts walking at 3.4 m/s [E] and begins to speed up for 6.0 s, reaching a final veloc...

A:

Q: What is the potential energy of a 5kg bowling ball that is held 8.9 meters above the ground

A: In this question we have to find the potential energy of the body. Please give positive feedback if ...

Q: You throw a ball straight up from a roof of a building. The ball leaves your hand at a point even wi...

A:

Q: A 12-volt battery has an internal resistance of 0.001Ω, The starter motor of the car draws a current...

A: Given: V=12 V Ri=0.001ΩI=230 A

Q: Two batteries and a resistor are connected as shown. Ej = 20 V, E2 = 8.0 V, and R = 2.0 Q. What is t...

A:

Q: .The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in vacuu...

A:

Q: This refers to the richness of sound of a string composed of sound waves having the fundamental freq...

A: Answer:- (c) wave interaction    The richness of sound of a string composed of sound waves having th...

Q: A car is initially traveling at 50.0 km/h. The brakes are applied and the car stops over a distance ...

A:

Q: In a historical movie, you observed a catapult being used by an army. It hurled a stone with a veloc...

A: The vertical displacement of the stone as it returns to the same initial horizontal level is S=0. Ca...

Q: 22. How many 100 W bulbs may be safely used on a 220 V supply with 5 A fuse? (a) 5 (c) 11 (b) 8 (d) ...

A:

Q: A body of mass M at rest explodes intò three two of which of mass M/4 each are thrown off in -1 and ...

A: Here, we calculate the given as follow;

Q: ЗА ЗА 4 A 2 A (с) (d) ЗА 4 A 2 A 2 A (e)

A:

Q: A rocket starting from rest rises vertically and accelerates at a constant rate of 13 m/s2 for 7 min...

A:

Q: Stewart, Justin 3- Energy/ 2 of 4I Activity 2 Task: Conservation of Energy Activity 2 of 5 Which sta...

A: Given The ball starts on the hill from the top and begins to roll downward with no initial energy an...

Q: Task: Conservation of Energy Activity 5 of 5 Why does the ball eventually stop rolling? Imagine a ba...

A: A ball starts from rest from the top of a track . The initial position is marked as STARTNo energy i...

Q: A magnetic field goes through a loop of wire as shown below (x = into the page). If the strength of ...

A: Induced current : It is induced in the loop when there is a change in the magnetic flux of the loop....

Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 12.0 V when it is delivering ...

A:

Q: A bullet which has velocity 150 m/s and mass 4 kg sticks to the stationary block. They move together...

A: Problem-2 Given:The mass of the bullet is 200 g. The initial speed of the bullet is 150 m/s. The mas...

Q: Which of the following is TRUE about resistance of a metallic conductor? -A material that heats us e...

A: Resistance is a materialistic property of every material. Resistance is the ratio of voltage to the ...

Q: A 12.5 V battery operates a 14.2 ohms flashlight intermittently for a cumulative time of 65.3 min. W...

A: Given V = 12.5 Volt  R = 14.2 ohm  Time t = 65.3 min = 65.3 × 60 sec  =3918 s 

Q: What is the y component of the vector illustrated below? Acose Asine AcosB O A/sinß

A:

Q: identical light bulbs are connected to two power supplies, ε1 = 40 V, and ε2 = 80 V. Each light bulb...

A: Equivalent resistance in series  R = R1 + R2  Equivalent resistance in parallel  1/R = 1/R1 + 1/R2 

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.