37° 37°

Q: A train approaches a station and sounds its horn which has a natural frequency of 150 Hz. The train ...

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Q: Is it possible to create a situation in which there is only destructive interference? Explain.

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Q: A uniformly charged ring of radius 10.0cm has a total charge of 75.0μC. Find the electric field on t...

A: Given : Radius of a uniformly charged ring (a) = 10.0 cm = 0.10 m Total charge of the ring (Q) = 75....

Q: A car of mass m passes over a hump in a road that follows the arc of a circle of radius R. (a) If th...

A: Rest and motion are relative terms. We must specify the observer before specifying the motion of an ...

Q: he, the dimensions of D is

A: here v is velocity . dimension of velocity is LT-1. we can add only dimensionally homogeneous quanti...

Q: A vertical spring stretches 3.9 cm when a 10-g object is hung from it. The object is replaced with a...

A: Given data: Mass of the object m =10 g=0.01kg Mass of the block m'=25g=0.025kg Stretched length y=3....

Q: Charge is distributed uniformly on the surface of a large flat plate. The electric field 3 cm from t...

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Q: 837 calories of heat are required to heat 100 grams of copper from 10C to 100C. What is the specific...

A: Mass of copper, m=100g Heat required, Q=837cal Initial temperature, T1=100C Final temperature, T2=10...

Q: During a certain time interval, the angular position of a swinging door is described by θ = 5.00 + 1...

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Q: A contestant fires his gun from point A at an angle of 30°. He aims to hit a frisbee launched from a...

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Q: For a simple harmonic oscillator, which of the following pairs of vector quantities always point in ...

A: A Simple Harmonic Motion is a kind of motion in which the body oscillates to and fro from its mean p...

Q: The System shown in Figure consists of a light, inextensible cord, light, frictionless pulleys and b...

A: Given that: Let mass of each block is m Initial velocity of both blocks are zero (at rest) They are...

Q: What is physics

A: Physics is one of the main branch of Science, which involves the study of matter.

Q: An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. Th...

A: Given information: Ball should be throw with one bounce speed after the bounce is one half of the be...

Q: A spherical capacitor consists of an inner conducting sphere of radius R, surrounded by a conducting...

A: We need to find the capacitance, C 

Q: Two blocks are connected by a light string that passes over a frictionless pulley as in the figure b...

A: a) Use the energy conservation law.

Q: 1-a) What is the Vdc potential difference in the circuit in the figure? b) ) If a battery with an em...

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Q: A shaft is turning at 65 rad/s at time t=0. Thereafter, its angular acceleration is given by α = -10...

A: a) The required angular speed is,

Q: The pressure at the bottom of a glass filled with water (ρ = 1 000 kg/m3) is P. The water is poured ...

A: The pressure at the bottom of the glass is given by,                   From the above equation, it i...

Q: A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as functions of time ar...

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Q: An electron is initially moving to the right when it enters a uniform electric field directed upward...

A: When the electron enters a uniform electric field perpendicular to the direction of electric field l...

Q: Find the direction and magnitude of an electric field that exerts a   5.45 x 10-17 N westward force ...

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Q: A ray of light is incident on the surface of a block of clear ice at an angle of 40.00 with the norm...

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Q: Earth has a net charge that produces an electric field of approximately 137 N/C downward at its surf...

A: We need to calculate the net excess charge on the earth.

Q: A block m, rests on a frictionless surface. A second block m, sits on.top of the first block. Here m...

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Q: The index of refraction of a glass plate is 1.52. What is the Brewster’s angle when the plate is: In...

A: Given data:  nglass = 1.52 nair = 1.00 nwater = 1.333

Q: How large a pressure increase (in ATM) must be applied to water if it is to be compressed in volume ...

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Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a un...

A: Given that:Intial speed of first player, u1=0 m/sAcceleration of first player, a=0.46 m/s2Intial spe...

Q: A loop of wire is moving near a long, straight wire carrying a constant current I as shown in Figure...

A: The  direction of magnetic field in loop due current carrying wire is outwards . .

Q: A solid cube of wood of side 2a and mass M is resting on a horizontal surface. The cube is constrain...

A: The mass of the solid cube is M, the side is 2a, the mass of bullet is m, the speed of bullet is v a...

Q: Suppose an asteroid has a semimajor axis of 4 AU. How long does it take the asteroid to go around th...

A: Given data: Semi major axis of asteroid ra=  4 AU              

Q: 12.The following equations give the position x(t) of a particle in four situations: (1) x = 3t - 4; ...

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Q: Disturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a spe...

A: Given : Mass of a car (m) = 1800 kg Radius (r) = 19.6 m Speed of a car (v) = 25.0 km/h = 25(1000/360...

Q: Calculate the electric field strength near a 30.0 cm radius conducting sphere that has 1.00 C of exc...

A: Given data: Radius (R) = 30.0 cm = 0.30 m Charge (Q) = 1.00 C Coulomb constant (k) = 9×109 Nm2/C2

Q: A copper wire has a diameter 1.15 mm and resistivity 1.6 x 10-8 Qm. What will be the length of this ...

A: Given data:  Wire diameter (d) = 1.15 mm = 1.15×10-3 m Resistivity (ρ) = 1.6×10-8 Ωm Resistance (R) ...

Q: DEFINE: Total internal reflection

A: Total internal reflection is an optical phenomenon in which when a ray of light falls through a medi...

Q: Please show work so I can understand

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Q: A small stone with mass m1 =  4 kg is glued at distance r1 = 0.4  m from the center of a uniform pla...

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Q: Answer the following. Albert Einstein’s significant contribution in understanding the universe was h...

A: solution as 

Q: Near the surface of Earth, an electric field points radially downward and has a magnitude of approxi...

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Q: Kindly solve me this problem number 2 complete (part a,b and c) with steps. Thanks

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Q: A conductive thin spherical shell with radius r1=1mm is placed in the center of another conductive s...

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Q: A 10.0 nC charge is at x = Ocm and a -1.0 nC charge is at x = 3 cm Part A At what point or points on...

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Q: A 5.05 • 105-kg rocket is accelerating straight up. Its engines produce 1.15 • 107 N of thrust, and ...

A: Given data:   Mass (m) = 5.05×105 kg Thrust force (FT) = 1.15×107 N  Force by Air Resistance (Fa) = ...

Q: 3cm oil Lem water

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Q: A trampoline launches a 50.0 kg person 2.00 m into the air. If the springs push with 1960 N of force...

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Q: a capacitor is designed so that one plate is large and the other is small. If the plates are connect...

A: According to charge conservation theorem: Amount of charge passing through a circuit always remains ...

Q: Using the Dirac-delta function, find the potential and electric field at the point (0,0,Z) of a homo...

A: By  Dirac-delta function, the potential and electric field at (0,0,Z)

Q: Two red blood cells each have a mass of 9.0××10-14 kg and carry a negative charge spread uniformly o...

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!