A beam of light traveling in the air, strikes a flat slab of glass at an incident angle of 35 o. The index of refraction of the glass is1.48. At the moment of entering and leaving the glass, what are the angles of refraction? ( n air = 1.00 )

Q: stone, rolling with speed 50 cm/s, rolls off the edge of a table that is 1.1 m high. a.) How long do...

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Q: An unknown particle is moving at 5.00 m/sec, East and then 8.00 m/sec, Southwest. Calculate the resu...

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Q: 1. Compute the internal energy change and temperature change for the two processes involving 1 mole ...

A: According to question we need to find--- change in internal energy.  change in temperature?

Q: 4. [Setup, Solve, Review] For vectors A = -1.5î + 3.0ĵ and B= 3î + 6j 1. Find C = Á + B 2. Find E = ...

A: Given,     A→ = -1.5i^ + 3.0j^B→ = 3i^ + 6j^  

Q: A new car model claims that a certain 1600 kg car can accelerate from rest to a speed of 25m/s in a ...

A: Given  Mass of car,m = 1600 kg  Accelerates from rest at speed of 25 m/s in time 10 sec   Average po...

Q: serves the ball with an initial velocity of 20.5 m/s at an angle of 18˚ from the horizontal, 1.2 m h...

A: Motion of projectile can be divided into x component and y component.

Q: An ideal diatomic gas at 80 K is slowly compressed adiabaticaily to one-third its original volume. W...

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Q: Consider a hemispherical tank that is completely filled with water. The water exits the tank from th...

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Q: Two capacitors having capacitances of 10.0 µF and 20.0 µF are connected in series across a 30.0 volt...

A: Given data- two capacitors C1=10.0 μF, and C2=20.0 μF voltage V=30.0 volt

Q: A ball is launched towards a 30 m tall building that is 30 m away (horizontally). Just as the ball r...

A: Given   Height of building, H = 30 m  Horizontal distance of building, R = 30 m   If U is initial ve...

Q: A 98.0-kg parts cart with rubber bumpers rolling 1.20 m/s to the right crashes into a similar cart o...

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Q: You have a battery marked "6.00 V." When you draw a current of 0.387 Afrom it, the potential differe...

A: Given: V=6.0 V when I1=0.387 A ; V1=5.25 V when I2=0.583A ; V2=?

Q: The rms current through a light bulb is 0.653 A when the bulb is connected to a standard 120 V rms s...

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Q: Sally is on a kayak that comes to a stop a small distance from the dock. Since it is such a small di...

A: let mass of sally = m mass of kayak = m1 and mass of yacht = m2  

Q: How do you express the coordinates of an object in cylindrical and spherical coordinates when its co...

A: The Cartesian coordinates x,y,z of a point is related to cylindrical coordinate r,θ,z as, x=r cosθ, ...

Q: v-t graph of a body which is thrown up and then coming back to the thrower

A: Given v-t graph is a equation of straight line having non-zero v-intercept and having negative slope...

Q: A pulley system made up of 3 pulleys, is used to lift a load of 10kg through a height of 50cm. If th...

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Q: A heart defibrillator being used on a patient has an RC time constant of 11.0 ms due to the resistan...

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Q: The (non-conservative) foree propelling a 1.10 x 10°-kg car up a mountain road does 7.50 x 10 J of w...

A: Given: mass of car m =1.10*103 kgwork done by force W = 7.50*106 Jheight reached h = 2.20*102 m

Q: Given deta U=2mls =Smis -1o S Find accelencation

A: Given data : Initial velocity=U Final velocity=V Time=t   To find : Acceleration

Q: A charge of 87.6 pCpC is uniformly distributed on the surface of a thin sheet of insulating material...

A: The charge density of the thin sheet is, σ=Total chargeTotal area=QA            σ=87.6×10-12C47.2×10...

Q: The figure below illustrates a thermodynamic process along a closed path. Answer the questions below...

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Q: 5) sprinter running on a circular track has a velocity of constant magnitude 9.20 m/s and a centripe...

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Q: 4. What is the EMF induced when the magnetic field changes from 2.5 T to 0.9 T in 12 seconds with a ...

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Q: The answers of the following (i) scalar product and (ii) vector product of unit vectors is (i) Scala...

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Q: A balloon holding 4.50 moles of oxygen (0,) gas absorbs 935 J of thermal energy while doing 112 J of...

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Q: A 22.0-kg tree limb is 13.3 m above the ground. During a hurricane, it falls on a roof that is 6.0 m...

A: Considering Roof as datum for calculating gravitational potential and energy, we have:- m=22kgh=13.3...

Q: 9. When a force of 550N pushes on a 35 kg box as shown, the acceleration of the box up the incline i...

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Q: 2. Manny wants to buy a new car. According to the salesman, the car's velocity as a function of time...

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Q: . A gas is kept in cylinder that can be compressed by pushing down on a piston. You add 2500 J of he...

A: 1.          Given that                    Heat added on the system is (Q) = 2500J                   ...

Q: 1. The weight of the crate is 3.00x102N. If the force applied by the man is 20.0N, find: Acceleratio...

A: Part (1): Given: The weigth of the object is 3x102 N. The applied force on the object is 20 N. The s...

Q: Incorrect. Did you remember to square the velocity? How much energy, in joules, does a 46.8 kg objec...

A: Part-I: Given: The mass of the object is 46.8 kg. The speed of the object is 48.4 m/s.

Q: 13. A 16 g bullet moving at 200 m/s passes through a 2.0 cm thick sheet foam plastic and emerges wit...

A: Given: The mass of the bullet is 16 g. The initial velocity of the bullet is 200 m/s. The final velo...

Q: 7.40 • A 2.00 kg block is pushed against a spring with negligible mass and force constant k = 400 N/...

A: Given: m = 2.00 kgk = 400 N/mx = 0.220 mθ=37.0°all surface : frictionless

Q: Find the drift velocity ?d of conduction electrons in a gold wire of diameter 2.80 mm when a current...

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Q: Human reaction time is usually about 0.20 s. If your lab partner holds a ruler between your finger a...

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Q: If a projectile is launched from point A which is higher than its landing point B, the velocity will...

A: Velocity of projectile will be maximum at landing point B

Q: Para llel Circuit 2. R,= 1452 Ry 62 50V I, ニ ー2 V, T. こ よ

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Q: why does the capacitance decreases when the distance between the plates are increased?

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Q: There is an object travelling in uniform circular motion. The object has a mass of 2kg, the radius o...

A: Given data:  Mass (m) = 2 kg Radius (r) = 0.45 m Number of revolutions = 12 Time (t) = 8 s Required:...

Q: Part A Use Coulomb's law to determine the magnitude of the electric field at points A and B in (Figu...

A: Given,  a = 5.9 cm Q = 4.9 micro coulomb Magnitude of Electric field at point A due to the left char...

Q: Consider the circuit shown in the figure below. (Assume R, = 14.5 N and R, = 7.00 N.) 25.0 V R2 R2 R...

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Q: A 4.00 kg block is attached to a vertical rod by means of two strings. When the system rotates about...

A: Given  The mass of block, M = 4.0 kg  The tension in upper string is ,T1 = 87.0 N  Tension in lower ...

Q: Iwo conductors are made of the same material and have the same length. Conductor A is a sol is a hol...

A: We know that the formula of the resistance is given as  R= ρLA ----- eq1  where R is the Resistance,...

Q: A car going 13 m/s is brought to rest in a distance of 3 m as it strikes a pile of dirt. How large a...

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Q: 75−kg box is pulled over a rough surface using a horizontal force of 100N at a constant velocity. Fi...

A: Since object is moving with constant velocity net force acting on the system must be zero and horizo...

Q: What is mean by kinetic theory

A: There are two most commonly used terms:- 1. Kinematics: It is the study of motion of a body without ...

Q: In a step-up transformer, the primary voltage is ____ the secondary voltage. A. greater than B. le...

A: In a step-up transformer, the primary voltage is ____ the secondary voltage. A. greater than B. less...

Q: .An 8-m long high-tension power line carries a current of 17.5A perpendicular to the earth's magneti...

A: Given data:  Length (L) = 8 m Current (I) = 17.5 A Angle (θ) = 90° Magnetic field (B) = 5.5×10-5 T R...

Q: A system of two paint buck- ets connected by a lightweight rope is released from rest with the 12.0 ...

A: m1=4.0 kgm2=12.0 kgh=2.0 mu1=u2=0 m/s