If a ray of light from an n = 0.7 would point toward a material of n = 1.5 at 45°, find the angle of refraction.

Q: Which of the following plot represents the velocity of the projectile along the vertical axis?…

A: Third option is correct.

Q: A fish that is d=d= 2.6 m below the surface looks up and sees a woman fishing from the shore. Part…

A: Given:

Q: A loop of wire in the shape of a rectangle of width w and length L and a long, straight vwire…

A:

Q: The electric force between two point charges with the magnitude of +600nC and 700nC is 15N. How far…

A:

Q: A simple pendulum 1 metre long has a bob of 10 kg. If the pendulum swings from a horizontal…

A:

Q: A runaway train car that has a mass of 1.68e+4 kg travels at a speed of 7.60 m/s down a track.…

A:

Q: 5. Compute for the electric potential energy of electrons, q1 = 1.82 x 10-7 C and q2 = 2.56 x 10-10…

A: Given Charges q1 = 1.82 × 10-7 C q2 = 2.56 × 10-10 C Distance r = 4.38 nm = 4.38 × 10-9 m

Q: small 12.5 g plastic ball is tied to a very light 28.4 cm string that is attached to the vertical…

A:

Q: 1) In the circuit shown, bulbs A, B and C are identical. a) What happens if bulb A is unscrewed? b)…

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Q: refer to this problem: Consider a battery with an emf of 25.0 V and an internal resistance of 0.233…

A:

Q: If a rectangular loop of wire is placed between the two poles poles of a magnet, with the dimensions…

A: Given, dimesions of the rectangular loop,w = 0.30 mL = 1.2 m magnitude of magnetic field, B = 0.90 T

Q: Q2 A 6-µF capacitor is charged through a 5-k 2 resistor by a 500-V power supply. How long does it…

A:

Q: Determine the equivalent resistance, R_(AB) of the network of resistors shown below. Show complete…

A:

Q: Standing on a weighing scale, a 50-kg person is inside an elevator. What would the scale read if the…

A:

Q: 4.2 PQ4 You are pouring a heavy syrup on your pancakes. As the syrup spreads over the pancake, would…

A: Viscosity concept is use here.

Q: 4. Having the electric field of 4.54 x 10ʻ N/C, passing through a surface area, 0.556 m?, with an…

A:

Q: 137 If the specific activity of a 35 Cs source is initially 5x1016 Bq/kg, what is the specific…

A:

Q: M, a solid cylinder (M=1.51 kg, R=0.123 m) pivots on a thin, fixed, frictionless bearing. A string…

A: Given Data:- Mass of the cylinder is M=1.51 kg Radius of the cylinder is R=0.123 m Magnitude of the…

Q: A model of a horse is placed 36.0 cm away from a mirror that has a focal length of -16.0 cm. The…

A: Given Object distance u = -36 cm Focal length f = -16 cm Height of object = h1 = 8 cm

Q: page%3D19 You are logged in a δε δ9 What will the current of the circuit be if a 5.4 volt battery is…

A: Given: R1= 3 Ω  R2= 5 Ω  R3= 6 Ω  V = 5.4 Volt

Q: golfer is hitting a shot, the angular velocity of her club is zero at the top of the backswing and…

A:

Q: Convert the following: 1. 58 pounds to kilograms 2. 9.81 m/s? to ft/s? 3. 55 km/hr to km/min

A: Dear student,  As per guidelines we can author only first three as there are multiple questions.…

Q: Give the rectangular coordinates of the point C (ρ = 4.4, φ = −115◦, z = 2). 2. Give the cylindrical…

A:

Q: 2-3. Find the electrical force exerting between the 2 electrons forming a distance of 10 cm. Also,…

A: Part (2-3) Given: The separation between two electrons is 10 cm.

Q: The sound waves travel with speed of 484 m/s. If is wavelength is 5 cm. Find the frequency of wave ?

A: Given data :    Wavelength   =   λ  Speed  of  sound   =   V        To find :              Frequency…

Q: 3. Determine the pressure exerted on the surface of a submarine cruising 175 ft below the fre…

A: Givenh=175 ftPatm=14.7 psiaSW=0.95

Q: What must the charge (sign and magnitude) of a 3.45 gg particle be for it to remain stationary when…

A:

Q: A battery with an internal resistance of 0.5 ohms and an emf of 12.0 volts is connected to a 10.0-Ω.…

A: Given value--- internal resistance = 0.5 ohm. Voltage = 12 V. external resistance = 10 ohm. We…

Q: The end of the harp string is fixed on the end (x=0) when you pluck the string it creats a…

A: The string of the harp is plucked such that it produces a standing wave with an amplitude of 0.55 mm…

Q: What is the electric field 3cm away from a linear conductor 30m long with a linear charge density of…

A:

Q: The density of water is 1.0 g/cm3. If h = 20 cm, the density of the oil in the left column of the…

A:

Q: An object is fired from the ground at 124.52ft/sec at an angel of 34.35deg. along +x axis. Calculate…

A:

Q: A wire carrying a current of magnitude 5 amperes, produces a magnetic field of 10 µT at a distance…

A: Given data:  Current (I) = 5 A Magnetic field (B) = 10 μT = 10×10-6 T Permeability of free space…

Q: ries of energy to heat a small piece of aluminum from 100°F to 120°F. What is the mass of the piece…

A: GivenQ=2.7×103 calT1=100°FT2=120°F

Q: You switch from a 60x oil immersion objective with an NA of 1.40 to a 40x air immersion objective…

A: In this question we have to find the acceptance angle for the oil immersive object. Please give…

Q: A string has a mass per unit length of 0.0035 g/cm and is attached to an electrically driven…

A:

Q: 2. A particle moves along the path y? = 4x, where x and y are in meters. The x coordinate of the…

A: Velocity is the rate of change of displacement v = ds/dt Acceleration is the rate of change of…

Q: Compute the energy stored in the capacitor given that the magnitude of the capacitor is 2.5 µF…

A:

Q: Two bodies A, B of masses m1, m2 are knotted to a mass-less string at different points rotated along…

A:

Q: (d) Calculate the total power, Ptot (in watts) that is supplied to this circuit. (e) Calculate the…

A:

Q: When light passing through a prism undergoes dispersion, the effect is a result of: a. different…

A: The correct answer is option (d) i.e. All of the above options are correct

Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

A: Given  Density  D1 = 3.13 g/cm3 =3130 kg/m3 D2= 1.21 g/cm3 = 1210 kg/m3 D3= 0.608 g/cm3 =608  kg/m3…

Q: Consider the potential energy in stored in a spring: U, = 1/2kl Where k = 10 N/m is the spring…

A:

Q: 3. A tank contains 1,500 liters of water and 20 kg. of dissolved salt. Fresh water is entering the…

A: Write the expression for the mixing equation. Integrate the above equation.

Q: An object revolves uniformly in a circle of Find its time and angular velocity.

A: Given Data:- The diameter of the circle is d = 0.80 m. The revolution completed by object in one…

Q: A train is 250 m long runs at 55 m/s. Find the time ?

A: Given data :   Speed  =  S   Distance  =  D        To find :          Time

Q: Q1 Consider a long straight cylindrical wire with radius 0.01 m is carrying the non-uniform current…

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Q: How many electrons flow past through a certain cross-sectional area of a wire in 5.4 min, if a…

A:

Q: Answer the last question only.

A: Write the given values with the suitable variables. u=124.52 ft/sθ=34.35°t=3.56 s Here, u is the…

Q: PET scans often show an artificially high level of radioactivity in the lungs.

A: Solution