20. You dip your finger into a pan of water twice each second, producing waves with crest that are separated by 0.15 m. Determine the frequency, period, and speed of these waves. *       a. 1.0 Hz, 1 s, 0.15 m/s       b. 2.0 Hz, 0.5 s, 0.30 m/s       c. 4.0 Hz, 0.25 s, 0.60 m/s       d. 0.5 Hz, 2 s, 0.08 m/s       e. None of the above

Q: A coin with a diameter of 5 cm is dropped on edge on a horizontal surface. The coin starts out with ...

A:

Q: What is the mass of the air?

A: We know the universal gas equation, PV=nRT........................................(1) where, P=press...

Q: The angular positionof a point on a rotating wheel is given by e-2.96+ 3.90 + 395.where is in radian...

A:

Q: Describe the interaction of two similar charged particles and two opposite charged particle.

A: Two similarly charged particles are two types. two particles which are both charged negative. two p...

Q: Problem 11: A box rests on a rough horizontal surface. You apply a force, F, on the box at an angle,...

A:

Q: Starting from rest, a constant force F=100N is applied to the free end of a 50-m cable wrapped aroun...

A:

Q: The graph shows the velocity of a particle moving on the x-axis. The particle starts at x = -5 when ...

A:

Q: Exercise 1: Dielectric material with constant (k = 7) is inserted between two plates of a capacitor....

A: Given  k = 7  Area of plate ,A = 0.75 m2  Charge, Q = 4× 10-10 C  The electric displacement without ...

Q: The angular position of a point on a rotating wheel is given by 0 = 2.48 + 8.53t2² + 1.04t°, where 0...

A: The angular velocity is related to the angular position as ω = dθdt, where θ is the angular position...

Q: A charged particle, passing through a certain region of space, has a velocity whose magnitude and di...

A: Given A charged particle, passing through a certain region of space, has a velocity whose magnitude ...

Q: A meteor melts when it enters the Earth’s atmosphere. Assuming that the meteor is primarily made of ...

A:

Q: Light is incident on a water-glass interface making a 60° angle with respect to the vertical. Calcul...

A: Given data :- angle of incidence i = 60° refractive index of water n1 = 1.33 refractive index of gla...

Q: The nearest star to Earth is Proxima Centauri, which is 4.3 light years away. The spacecraft Potemki...

A:

Q: You pull on a crate using a rope as in (Figure 1), except the rope is at an angle of 20.0 ∘∘ above t...

A:

Q: 1. A beam of protons, each with charge q = 1.60 x 10-19C, is moving at 4.50 x 105m/s through a unifo...

A:

Q: d B) of equal mass and the same Iz roll down a hill without sliding and have the same kinetic energy...

A: We know that the two wheels of  A and B same mass and the same Iz roll down a hill without sliding a...

Q: Q2 ) What is the relationship between wavelength and propagation velocity ?

A: Let v= propagation spped of wave f = frequency of wave  λ = wavelength of wave      

Q: 5. Differentiate the relationship of electric potential to each of the following concepts: A. Potent...

A: The basic difference between electric potential and electric potential energy is that Electric poten...

Q: The uncertainty (in mm) of any reading when using the odjacent vernier caliper is 0. 10 20 mm 0123 4...

A:

Q: A block slides down a frictionless plane having an inclination of 0 = 15. The block starts from rest...

A:

Q: The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the re...

A:

Q: If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.5 x 105 kg and reac...

A: Given data, Combined Mass of the Apollo Spacecraft (m)=2.5×105 kg Speed of the spacecraft(v)=10.4 km...

Q: Light travelling through glycerin (nglycenin = 1.473) strikes a diamond (ndiamond = 2.42) with an an...

A:

Q: 1. Two point charges are located on the x-axis as shown, a +2 µC charge at x =-5 cm, and a- 2µC char...

A: Electric potential = 14πε0×Qr

Q: Assume two identical hypothetical balls of pure electrons. These balls are separated by a distance o...

A:

Q: Why can we only visually see the Balmer Series? Are other light spectrums(Lyman Series, Paschen Seri...

A: Given statement is  Why can we only visually see the Balmer Series? Are other light spectrums(Lyman ...

Q: 2. Some Christmas tree lights have a characteristic that when one light (filament) burns out, the li...

A:

Q: (a) What is the mass of the hydrometer? (b) What is the density of the alcohol?

A: weight =buoyant force, this concept is used here. 1.The mass of the hydrometer is 10 gm and 2. The d...

Q: It is observed that Balloon Ais charged negatively. Balloon B exerts a repulsive effect upon balloon...

A:

Q: Denny jumps up and down on his bed, taking 0.75 s for each jump. What is the frequency of Denny’s ju...

A: The time taken by Denny for each jump is given by T=0.75 s

Q: A hollow conducting sphere of radius 0.12 meters has a uniform charge distributed on its surface. Th...

A:

Q: A point charged has a charge of 8.00 x 10^-11 C at what distance from the point charge is the electr...

A: electric potential (V) die to point charge q at a distance x from the charge is given by V  V = kq/x...

Q: he earth’s mass is 5.972x1024 kgs and the earth’s radius is 6371 kms, determine the altitude of a bo...

A: Given: M=5.972*1024 kgR=6371 km = 6.371*106 mgh=9.7 m/s2

Q: (b) An object is placed 10 cm from a convex mirror of focal length 30 cm. (i) Calculate the image di...

A:

Q: Calculate the angular velocity of the hour-hand, of a clock from 7:00 pm to 2:00 am. State in rad/s....

A:

Q: If the absolute pressure at a certain depth in Lake Michigan is 2.5 atmospheres, the gauge pressure ...

A: Absolute pressure at certain depth is Pabsolute = 2.5 atm  Let the depth is d .  

Q: Two gases flow into separate ducts and merge into a single duct. Gas1 has a density of 1.5 kg/m3 and...

A: Given data: Density for gas 1 ρ1=1.5 kg/m3 Area for flow of gas 1 A1=0.25m2 Density for gas 2 ρ2=0.8...

Q: How many electrons in the outermost shell of an atom doe a good insulator have?

A: The insulator is the material which does not conducts electricity. The electricity is only conducts ...

Q: The noise level in an empty examination hall (ambient noise) is 40 dB. When 100 students are writing...

A:

Q: An astronomer is observing a binary star that is 15 pc away. The two stars have an orbital separatio...

A:

Q: Problem 10: Consider the block shown in the figure, which has a mass m and is sitting at rest on a r...

A:

Q: Suppose a rocket is at an elevation of 100 km and has an initial velocity of 1.00 x 10^4 m/s directe...

A: Initial height (h) = 100 km Initial vertical velocity (u) = 10000 ms  

Q: Three resistors with values of 60.0 Ω, 30.0 Ω, and 20.0 Ω, respectively, are connected in parallel t...

A:

Q: The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the re...

A:

Q: For one component gas that is confined in a box with volume V. V We can get the entropy of the gas a...

A: Entropy of a gas in statistical approach is given by  S = Nkln(omega) Where, N = total number of par...

Q: A 1.9-m-long gold wire that is 0.50 mm in diameter? Express your answer in ohms. ? Submit Previous A...

A:

Q: At high levels of illumination discuss about the nature of weber ratio and brightness discrimination...

A: At high level of illumination brightness discrimination increases ,Weber ratio is high. The brightne...

Q: In order to take a nice relaxing bath after this final, you fill up a bathtub with warm water. To fi...

A:

Q: *S0.0°g metal ball having net charge Q = 5.50 µC is thrown out of a window horizontally north at a s...

A:

Q: Find the Electric field at points P1, P2, P3, and P4 in the diagram (see below) due to the two given...

A: Since the question has 4 subparts to solve, we will solve first three only as per the guideline. Ple...