It takes 4 hours for a boater to travel 15 miles upstream and back. If the speed of the boat in still water is 8 mph, what is the speed of the current?

Q: Find the moment of inertia of a solid cylinder with a mass of 0.5 kg, a radius of 0.5 m, and a…

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Q: with the horizontal, so if the horizontal component of its velocity Assume that a ball is kicked at…

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Q: Two particles move at right angle to each other. Their de Broglie wavelengths are A1 and 12…

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Q: Find the moment of inertia of a hoop with a radius of 0.5 m and a mass of 0.5 kg when rotated about…

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Q: The cheapest fuel anywhere on the Autostrada in Italy was €1.646/l on A14 at CANNE BATTAGLIA OVEST…

A: Write the expression to convert 1 gallon in litre. 1 gallon=4.546 litres

Q: You have enrolled in a scuba diving class and while swimming under water in a nearby lake you look…

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Q: A force moves an object in the direction of the force.  The graph above shows the force versus the…

A: Given data:  Force vs position graph Required: The work done as object moves from 0 to 6.0 m

Q: 2. A light ray is incident on a plane mirror. The reflected ray is then passes through a water…

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Q: Two particles move at right angle to each other. Their de Broglie wavelengths are A1 and 12…

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Q: All six bulbs in the circuit illustrated in the figure are identical. Which of the following…

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Q: In this problem, we will go through the famous experiment led by Robert A. Millikan. The charge of…

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Q: Predict: If the coil of wire had more loops in it, the current produced would be... * bigger. O…

A: Given : (Note : This is a multiple kind of question. Please post the next question as a separate…

Q: Determine the maximum distance at which an observer can still distinguish two small bright sources…

A: The separation between light sources is 19.9 mm.   The wavelength of the light is 457 nm.   The eye…

Q: 2. (a) What magnitude point charge creates a 10,000 N/C electric field at a distance of 0.250 m? (b)…

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Q: Two blocks of masses 20 kg and 8 kg are connected together by a light string and rest on a…

A: Given:- m1= 8 kg = mass of block-1 m2= 20 kg = mass of block-2 a= acceleration of the system= 0.5…

Q: 2. Two point charges, +q and -q, are placed as shown. Rank the five points labeled A, B, C, D, and E…

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Q: III. Answer the following questions briefly. Imagine a van that is moving at a speed of 80kph and a…

A: The momentum of a body is given by p = mv, where m = the mass of the body v = velocity of the body…

Q: A hunter can't clearly see anything that lies farther than 37.6 cm from her eye. Suppose that she…

A: Lets say the person wants to see objects that are placed at infinity, but the person only can see…

Q: 1. In the circuit below, the capacitor was initially charged while the switch was open, then the…

A: Solution:-

Q: A paramagnetic material has 1028 atoms/m3. Its magnetic susceptibility at temperature 350 K is 2.8 x…

A: Temperature , T1= 350 K , T2= 300 K Magnetic susceptibility ,  X1=2.8 * 10^-4 , X2 = ? According to…

Q: 15 in. The required tension in cable AB is 200 lb. (Note: Point C is a pin joint.) D Draw a free…

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Q: Can you get a dark-field image for mass–density contrast? What is the main difference of dark-field…

A: Yes we can get te dark field image for the mass density contrast.   TEM has an objective aperature…

Q: Predict: If the magnet was moved closer at a slower speed, the current produced would be... bigger.…

A: The concept of magnet is use here.

Q: Given data Mass 40 kg Kinetic energy 1200 J %3D Find velocity ?

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Q: Given data Mass 40 kg Kinetic energy 1200 J %3D Find velocity ?

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Q: A particle is moving wit y = bVx along positive x Calculate the speed of t particle at time.t = Tt…

A: GivenSpeed of particle, y=bx

Q: ww B ww A (Question2.57) Se the Figure above. The right side is an infinite wall. All collisions are…

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Q: Four capacitors are connected as shown in the figure below. Determine the following: A. Total…

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Q: Make a prediction: Increasing the number of coil windings around the iron bar will make the strength…

A: If we wind a wire around a iron bar then this behaves as solenoid with a medium.

Q: 5. The department of transportation decides to make a very large speed bump in the shape of part of…

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Q: Four particles each of massm are placed at the vertices of a square of side l. What is the potential…

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Q: 3. Block A with a mass of 2.25 kg rests on a tabletop. It is connected by a horizontal cord passing…

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Q: A particle with positive charge q = 3.68 x 10 18 C moves with a velocity v = (5î + 4j - k) m/s…

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Q: It The patential alitference PT mimala electric motor 18 245V m errentetsf flowing.hrooth bet wween…

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Q: 42.0 2 33.0 2 61.0 2 75.0 2 25.0 2 14.52

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Q: 3. A 2 kg ball has a momentum of 25 kg m/s. What is the ball's velocity? Given: Formula: Unknown:…

A: Given:  Mass (m) = 2 kg Momentum (P) = 25 kg.m/s Unknown: The ball's velocity (v)

Q: 2. Solve the magnitude and direction of the force on Q3

A: We know that you have given a  three charge on the vertex of the triangle and the direction of force…

Q: In an amusement park ride, riders stand against the wall of a spinning cylinder. The floor falls…

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Q: Find the moment of inertia of a solid sphere with a radius of 0.5 m and a mass of 0.5 kg.

A: Write the given values with the suitable variables. r=0.5 mm=0.5 kg Here, r is the radius and m is…

Q: Part A A box is given a push so that it slides across the floor How far will it go, given that the…

A: If friction coefficient is uk then deceleration of the object will be  a = ukg= 0.18*9.8= 1.768 from…

Q: PROBLEM 4: A C Four long, parallel conductors carry equal currents of / = 5.00 A. Figure is an end…

A: Given that, Current (I)= 5A side length (L)= 0.2 m AP= AD/2 =[√{(AD)²+(BD)²}]/2 AP=…

Q: A 3.29 kg object initially moving in the positive x-direction with a velocity of +4.50 m/s collides…

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Q: N P. W

A: Most probably you must have asked to write the FBD equations. So i will do that.

Q: 2 Problem #2 The horizontal motion of a mass m connected to a spring (ignore damping) is de- scribed…

A: Given: x(t) =3 cm .  sin2(rad/s)t-π2(rad)

Q: A mass of 0.750 kg is hung from a vertical spring with a spring constant of 20 N/m. After coming to…

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Q: If the instantaneous current drawn from a 50-hz source is –263 mA when t = 0.013 s, what is the…

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Q: radiopharmaceutical is labeled with an activity of 480 mCi on April 1 at 6:00am. What is the…

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Q: tant is measured to be 24.0 μs . 1) Calculate the time it takes for the vo

A: We know that the formula of the voltage with the time constant is given as  V = V01-e-tτ ----- eq1…

Q: What are (a) the lowest frequency, (b) the second lowest frequency, and (c) the third lowest…

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Q: 2) Microwave ovens are authorized to use the following frequencies: 900 MHz and 2,560 MHz. 2A) What…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –