In an experiment, an experimental velocity is calculated at 0.650 m/s vs. a theoretical value of 0.680 m/s. What is the % Error?

Q: When viewed through a magnifying glass, a stamp that is 2 cm wide appears upright and 6 cm wide. Wha...

A: The magnification is M= 3

Q: 2.) A model rocket is constructed with a motor that can provide a total impulse of 29 Ns. The mass o...

A: Given:total impulse provided, I = 29 Nsmass of the rocket, m = 0.175 kginitial velocity of rocket, u...

Q: A car is moving on a straight road 14 m/s. It is acceleration at 12 m/s?. What will be it's velocity...

A: Given data :            Initial velocity  =  u                 Time  =  t            Acceleration = ...

Q: 14. Consider the following circuit. Rc3 RA RB Rp RA = 2 2, RB =2 2, Rc = 4 Q, and Rp =7 2. a) Find t...

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Q: 2. [Setup, solve, review] A student is attempting to move a 30-kg mini-fridge into their dorm room. ...

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Q: has calls with a resistance of 25 ohm operates from a voltage of 238 V. When the mc s operating at i...

A: An electric current is a stream of charged particles, such as electrons or ions, moving through an e...

Q: 3. A rock is dropped from a bridge that is 28 meters above a river. How long does it take the rock t...

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Q: A stationary horizontal disc is free to rotate about its axis. When a torque is applied on it, its k...

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Q: 2. A copper-nickel alloy called constantan has a resistance of 8.55 X 10 4 mQ at 20.0 °C. What is it...

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Q: A vertical spring stretches 4.2 cm when a 12-g object is hung from it. The object is replaced with a...

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Q: Two blocks are connected by a cord running over a pulley. Ignore the mass of the cord and pulley and...

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Q: If two charges Q1 = 5 C and Q2 = 10C are separated by 10 cm, find out how much electrical force they...

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Q: D) A traveling wave on a string is expressed in the form of the equation y(x, t) = 5 sin(10phi t + 2...

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Q: Two cities are 1100 km apart and lie on the same north-south line. The latitude of the northernmost ...

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Q: Can I see the work?

A: Work is defined as W = FSCosθ If θ is less than 90 degree, work done will be positive If θ is greate...

Q: What current will be taken by a 950 W appliance if the supply voltage is 260V ?

A: Given data :             Voltage  =  V              Power  =  P        To find :        Current 

Q: Charged particles amounting to 7C are placed on a spherically conducting shell having a point partic...

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Q: Solve for the following problems (please answer 4-5)

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Q: For a positive point charge, as it moves in the direction of the electric field, the electric potent...

A: Ans - True

Q: In the pair production process, photon energy gets converted to particle/antiparticle pairs. Imagine...

A:  Creation of  an electron and a positron (or any pair of particles) from a single photon is impossib...

Q: A 3.0 kg stone at the end of a 0.50 m long string is whirled in a vertical circle with constant velo...

A: Mass of stone (m) = 3 kg Length of String (l) = 0.50 m Tension in the string at the top of circle (T...

Q: If y(x,t)=sin(5pi x-2t) is the equation of the amplitude of the 1-D traveling wave determine the amp...

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Q: Part À An electron in a cathode-ray tube is accelerated through a potential difference of 10 kV, the...

A: GivenPotential difference, ∆V=10 kV=10×103 Vd=2.4 cm=0.024 m

Q: Two current-carrying wires are placed as shown. What is the net magnetic field at point P? 11.0 cm P...

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Q: The index of refraction of a piece of glass is n = 2.67. What is the speed of light (vn) in the glas...

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Q: The velocity of a particle (in meters per second) is given by v = 16t²i + 4t³ j + (5t + 2)k, where t...

A: Acceleration is given by rate change of velocity.  a = dv/dt v = 16t2 i + 4t3 j + (5t+2) k dv/dt = 3...

Q: The length of a rod as measured in an experiment is found to be 2.48 m, 2.46 m, 2.49 m, 2.49 m and 2...

A: Given data- The length of a rod as measured in an experiment is found to be-             l1=2.48 m, ...

Q: The diameter of a carbon atom is 0.000 000 000 165 m. What is this number expressed in nanometers? ...

A: Solution:- The diameter of the carbon atom is   0.000000000165 m. That can be written as  Diameter =...

Q: In a double slit experiment the distance between the slits is 0.50 mm and the slits are 1.5 m from t...

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Q: e- An arow Is lauinched at va so m/s and 10°. Find the maximun and the time it takes to reach this h...

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Q: s a critical angle for total internal reflection of θc = 27.7°. What is the Brewster's Angle (θP) fo...

A: GivenCritical angle for total internal reflection, θc = 27.7°

Q: What magnetic force per unit length does the bottom wire feel? 11.0 cm P 10 A 2.0 cm 10 A

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Q: A space probe is launched from Earth headed for deep space. At a distance of 10.000 miles from Earth...

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Q: What is a net force? a. the algebraic sum of all forces acting on an object b. the difference of a...

A: Net force is vector sum of all the forces acting on an object 

Q: The graph below represents a snapshot at t 0 of a wave of frequency 10 Hz that travels in the positi...

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Q: A simple pendulum of length L= 2.69 m is released from rest from a position making an angle of 9° wi...

A: L = 2.69 m θi = 9oθf = 6oLet the mass = m g = 9.8 ms2  

Q: The temperature, at which the root mean square velocity of hydrogen molecules equals their escape ve...

A: Escape velocity is the velocity required by a particle to escape the earth’s gravitational attractio...

Q: The temperature, at which the root mean square velocity of hydrogen molecules equals their escape ve...

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Q: 2. For each of the mirrors first draw in the normal. Then measure and write in the angle of incidenc...

A: For plane mirror  Angle of incidence = Angle of reflection

Q: An electron with an initial speed of 660,000 m/s is brought to rest by an electric field. Part A. D...

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Q: A parallel plate capacitor has 1 µF capacitance. One of its two plates is given +2 µC charge and the...

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Q: What is the force between two protons which are separated by a distance of 3.6 nm? (That is, the fo...

A: Given that                   The distance between the two proton is (d) = 3.6nm = 3.6×10-9m As we kn...

Q: Instruction: Read the questions carefully. Show your complete solutions (with context). 1. The charg...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...

Q: A hole of area 1 mm2 opens near the bottom of a large-water storage tank, and a stream of water shoo...

A: Given area = 1 mm2 g= 10m/ sec2    

Q: A rectangular surface of length 3.25 cm and width 5.25 cm lies on the x-y planes at z=0. What is the...

A: Length of rectangular surface l = 3.25 cm = 3.25×10-2 m Width of rectangular surface w = 5.25 cm = 5...

Q: Summarize what happens to momentum and kinetic energy in an inelastic collision. That is, compare an...

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Q: A simple pendulum of length L = 0.2 m, is at its equilibrium position. At t = 0, the pendulum is giv...

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Q: 3. Find the equivalent capacitance of the circuit. C1 = 5µ F, C2 = 3µF, C3 = 4µF, C4 8µF, and Cs 7uF...

A: C1 = 5 μF C2 = 3 μFC3 = 4 μFC4 = 8 μFC5 = 7 μF 

Q: Your job is to lift 25.0 kg packaged boxes a vertical distance of 1.0 m from the ground onto the bed...

A: power=work donetimepower=mghtm is mass , g is acceleration due to gravity , h is heightt is time1 hp...

Q: A mass-spring system of mass m 1 kg and spring constant k 100 N/m is set into vibration with an ampl...

A: Given that:- Mass of block=m=1kg

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.