upda

Q: The sound intensity of a conversation at a distance of 5.0 m is 1.7 x 10-7 W / m^2 . Determine the i...

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Q: please provide clear answers for all the parts there are 2 parts attached as 2 screenshots, double c...

A: Since in part D it is mention that the elevator is moving at constant speed, there is no acceleratio...

Q: ntroduction to Numeric and Symbolic Answers II temis oi grading, as iong as your aiswer is aigebraic...

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Q: The earth spins on its axis once a day and orbits the sun once a year (365 1/4 days). Determine the ...

A: (a) The spinning angular velocity of the earth about its axis of rotation is:

Q: Answer must be according the correct signifcant numbers.

A: Given: Weight hung from the two ropes = 240 N Calculating the tension in the right hand side rope:

Q: Can you please answer number 6 I put all of the values in so you can solve it now

A: Please note, to add two values, their units must be the same. we can not add meter with centi meter....

Q: a) How much work is needed to assemble the charge distribution shown? (That is,to move all the charg...

A: a) The required work done is,  

Q: The mass of a subway car with all of its passengers is 36,500 kg. It leaves the station with an acce...

A: mass of subway car and passenger = 36500 kg. acceleration = 0.73 m/s2.  

Q: Can you help me find the electric field at the origin. I can draw it once I found it.

A: (a) Consider k will be the Columbo’s constant, q is the charge and r is the distance. The formula fo...

Q: A point charge P is b=9.5 m above the center of a uniformly charged ring of radius a=0.58 m sitting ...

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Q: The Whirlpool galaxy is about 30 million light-years away. If you were in a spaceship that could tra...

A: The time taken by the person to reach the Whirlpool galaxy according to an observer on Earth is foun...

Q: A negative charge located in a region of positive voltage will move towards higher positive voltage....

A: A region with positive charge implies the higher potential region and a region with negative charge ...

Q: The figure depicts the motion of a particle moving along an x axis with a constant acceleration. The...

A: The figure shows the time vs position graph of a particle.

Q: Please provide the correct answer ASAP.   this is all 1 question   much appreciated,   Thanks! ??

A: If the slope is steeper it means it is more vertical and is hard to climb. So the following will inc...

Q: A sound source with a frequency of 1700 Hz moves at 50 m / s towards a wall reflector that moves awa...

A: The refracting wall is moving away from the sound source and the source is moving toward the refract...

Q: A tennis ball is struck and departs from the racket horizontally with a speed of 27.1 m/s. The ball ...

A: Write the kinematic equation for the vertical displacement of the ball when it leaves the racket  

Q: Ann walks 135 m north from point A to point B. She then turns around from point B and travels south ...

A: Displacement is the shortest distance travelled by a body between final and the initial position. Th...

Q: Please help me with all the parts, there are 2 total parts attached as 2 different screenshots.

A: (A) The motor exerts maximum force when the elevator is accelerating upwards. Write the expression f...

Q: In (Figure 1), the charge q=3.73×10−9C. Find the electric potential at x=0.550m.

A: The equation for the electric potential due to a point charge is given by, The value of r for the c...

Q: A ball drops from a building and strikes the ground in 4.4 s. The speed (in m/s) with which the ball...

A: Initial speed of ball is zero and the ball‘s motion is under gravitational acceleration only.

Q: For the first graph find two point where Electric filed is in the direction of x (+x or -x). One poi...

A: The electric field lines represent the direction of the electric field at a point. In the diagram sh...

Q: A picture P of weight W = 40 N is hung by two strings as shown. The magnitude of the tension force o...

A: In equilibrium, the upward force is equal to the downward force. So,

Q: The xy plane is "painted" with a uniform surface charge density which is equal to 50nC/m2. Consider ...

A: Radius of the sphere R = 4.0 cm = 0.04 m Surface charge density σ = 50 x 10-9 C/m2

Q: 1. Last week you showed that when a point mass m with charge q is constrained to move along a fricti...

A: Particle is in equilibrium when gravitational force is balanced by the columbic repulsion.

Q: A ball is thrown downward from the top of a 300 ft tall building with an initial velocity of 100 ft/...

A: Given,

Q: High-voltage power lines are a familiar sight throughout the country. The aluminum (R = 2.82 x 10-8Ω...

A: It is given that resistivity, cross-sectional area and the length are respectively  

Q: b. Find an expression for the particle's velocity ỷ as a function of time. c. What is the particle's...

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Q: please help me

A: Mass of the elevator m = 2110 kg Maximum tension T = 2.175 x 104 N = 21750 N

Q: A 2.0 kg block travels around a 0.50 m radius circle with an angular velocity of 13 rad/s. The magni...

A: Angular momentum,

Q: A coil of wire has a resistance of 55.8Ω at 26 °C and 54.1Ω at 61 °C. What is the temperature coeffi...

A: Initial temperature To = 26oC Final temperature T = 61oC Initial resistance Ro = 55.8 ohm Final resi...

Q: A wet bar of soap slides down a ramp 8.4 mm long inclined at 8.0∘∘  How long does it take to reach t...

A: The friction force acting on the wet bar,

Q: In the following exercises assume that there's no damping.

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Q: Two diamond begin a free fall from the rest from the same height, 1.0 s apart. How long after the fi...

A: Vertical displacement,

Q: For the potential V= 3x2z - 2yz3 , what is the corresponding electric field at the point (2,3,-4)?

A: Given V = 3x2z - 2yz3 P = <2,3,-4>

Q: A 2.20-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.90 m down ...

A: Given Mass m = 2.20 kg Distance travelled d= 1.90 m Duration t = 1.80 s Initial velocity u = 0 m/s

Q: I Review Two projectiles are launched from the same point at the same angle above the horizontal. Pr...

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Q: 1. A sprinter at a track and Field event is entered in a 500 m race. The starting gun goes off, acce...

A: (1) According to the kinematic equation of motion, the acceleration of the sprinter is, Substitute ...

Q: When a parachutist jumps out of an airplane when are the vertical drag forces maximum?  Can you help...

A: The drag force is a resistive force that acts on body, when the body is in motion through a fluid. T...

Q: #26

A: Vector A is in first quadrant and B is in fourth quadrant. Write the resultant in component form

Q: Aircraft carriers use catapults to launch jets from their deck. One such catapult accelerates a 18,3...

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Q: X component of resultant force? Magnitude of F1= 8.60N at 115°, Magnitude of F2= 6.00 at 232.9°

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Q: Hi I'm given the diameter of the sphere is 25cm. An electric pen brought near this sphere causes a v...

A: The voltage difference is the difference in the voltage at the near end and farther end of the pen.

Q: The figure below shows a box-shaped closed surface with one of its edges lying on the x-axis, and it...

A: a) The net electric flux for the right and left surface will be available and other surface will get...

Q: A guy is standing on a relatively flat surface (h = 0 m). A pesky drone is flying overhead at a heig...

A: Let us assume the arrow hits the drone when it has reached its maximum height. Let v1 be the velocit...

Q: 4. A hockey player makes a shot 4m away from goal at a horizontal velocity of 15 m/s. How long does ...

A: The time taken by the goalie to react to the shot of ball is,

Q: What are (a) the x component and (b) the y component of a vector a→ in the xy plane if its direction...

A: Given Magnitude r = 9.6 m Direction θ = 238o

Q: Car enthusiasts often lower their cars closer to the ground as a matter of style. James wants to low...

A: Let m be the mass of the car,  k be the spring constant of the old spring, k’ be the spring constant...

Q: Please help me to draw a free body diagram.....PLEASE label the arrow coreectly by using mg, T, a, f...

A: Given: mass of the object = m = 8.5 kg inclination angle = 30o.  

Q: An object is thrown vertically up at an initial velocity of $3 m/s. At the maximum height, the final...

A: It is given that

Q: A paper ball pushed off the flat roof of a house at a speed of 2.5 m/s, covers the horizontal distan...

A: The time taken by the paper ball is