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Q: 1. Using the symmetry of the arrangement, determine the direction of the force on +q in the figure…

A: Given,Case Iqa=qb =+9 μCqc=qd =+9 μC   (b) There is no net direction for the force. Since all the…

Q: A projectile is launched with an initial velocity v at an angle of theta with respect to the x axis.…

A: Given,  V0= 1.25E+02 Theta= 6E+01 We need to calculate,  vox, voy, t, ymax and xmax=?

Q: • A thermometer reading 20°F is brought into a room where the temperature is 80°F; 2 mins later the…

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Q: Water is ejected from the water nozzle with a speed vo = 41.7 ft/sec. For what value of the angle…

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Q: Two charges are repelling each other with a force magnitude F. If each charge doubled and the…

A: Given data:  Original force = F New charges q1' = 2q1 and q2' = 2q2 New distance (r') = 4r Required:…

Q: Two balls of equal mass, A and B, were placed in an oven and absorbed the same amount of heat but…

A: The correct answer is option B: A has a higher specific heat capacity than B. Specific heat capacity…

Q: A proton is initially at rest in a region of uniform magnetic field (shown below). There are no…

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Q: Some water is heated from 20 °C to 60 °C • Find the difference in temp in °C • Convert both…

A: The kelvin scale of temperature Tk and Celsius scale Tc are related by the below relation  TC=TK…

Q: Which of the following statements is false? * Objects need to have an electric charge to interact…

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Q: Assume that the kinetic energy of a 1350 kg car moving at 125 km/h could be converted entirely into…

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Q: 9. At which position does the pendulum bob have its greatest potential energy?   Position A…

A: As you have asked more than one question at a time, we will solve only the first question for you (…

Q: tectonic plates are large, slow moving segments are earths crust. suppose the average speed is…

A: Given,  Speed for a tectonic plate = 9.5cm/year We need to calculate,  Speed in km /million year=?

Q: SUBJECT : GENERAL PHYSICS 2 TOPIC : LAW OF CONSERVATION OF ENERGY  SITUATION : Starting from rest,…

A: By Energy conservation :- 1) Total energy at Every point  remains constant 2) Total Energy A = Total…

Q: A stone is thrown vertically upward and returns to earth in 5 sec. How high does it go?

A: Given,  A stone is thrown vertically upward and return to earth in = 5 sec. We need to calculate,…

Q: Dimensional Analysis For this example, let ma and my be masses • 11, 12, 13 and x be lengths t₁ and…

A: ma and mb are the masses with dimensions = [M]l1 , l2 , l3 , x are the lengths with dimensions =…

Q: 59. The diagram shows a cart at four positions as moves along its track. At which positions is the…

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Q: Which of the following points on the graph have the same temperature as point A? Select all that…

A: At point A : The pressure = 1.50 atm The volume = 1500 cm3

Q: How many joules are required to heat 213 g of water from 17°C to 68°C? The specific heat for water…

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Q: A race car accelerate from rest at a constant rate 2m/s2 in 15 seconds, It then travels at a…

A: Giveninitial velocity, u=0 say it started at x=0for first 15 seconds,acceleration, a=2…

Q: If a long iron cable is 156 m long gets heated by 65 °C, find the change in length. α = 12 x 10-6/°C…

A: Part 1 Given Initial length of the rod is l0=156 m Increase in temperature of the rod is ∆t=65°C…

Q: An empty Erlenmeyer flask weighs 219.2 g. When filled with water, the flask and its contents weigh…

A: Given value--- mass of empty flask = 219.2 g. mass of flask with water = 685.2 g. density of water…

Q: The figure shows three uniform solid disks, each of mass 9.4 kg and radius 0.5 m rotating…

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Q: How would two diagrams of the fundamental frequencies of a tube look, when it is an open ended tube…

A: The diagrams can be drawn like the following.

Q: SUBJECT : GENERAL PHYSICS 2 TOPIC : LAW OF CONSERVATION OF ENERGY    4. Which statement is true…

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Q: A 20µF capacitor is connected to a 30 V battery.    Calculate the charge on the capacitor

A: Given:- The capacitance of the capacitor is C = 20µF. The Voltage of the battery is V =30 V  Find:-…

Q: A rifle with a weight of 25 N fires a 4.5-g bullet with a speed of 240 m/s. (a) Find the recoil…

A: Given that,  Weight of the rifle, W(rifle)=25 N Mass of the bullet, m(bullet)=4.5 g=4.5×10-3…

Q: Here is a position graph of an object: x (m) 20 10- 0 2 At t = 3.0 s, the object's velocity is -1…

A: Concept: The velocity of an object is the slope of the position versus time curve. The  velocity of…

Q: A 13KN car starts at rest and rolls down a hill from a height of 10m. It then moves across a level…

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Q: 5. Point R is 0.4 m from a 2C charge. Find the electric field at point R. A. 1.1x1011 N/C B.…

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Q: The x-coordinate of a particle in curvilinear motion is given by x = 2.1t³-2.4t where x is in feet…

A: Solution:-

Q: A stone of mass M thrown from the top of a building is given an initial velocity of 14.0 m/s…

A: Here we are asked to answer Q20 only. The initial experiment details: u=14 m/sH=50 mT=4.93 sec

Q: A bullet having mass m and velocity v collides with a block at rest having mass M. Mass M is…

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Q: An 20 cm long metal bar measures 4 cm by 3 cm. One end of the bar is exposed to a temperature of 321…

A: We use the heat flow equation dQdt=kAlT1-T2 where dQdt is the rate of heat flow, A is the cross…

Q: The density of silver is 10.5 g/cm^3. What is its density in kg/m^3?

A: The density of the silver is given as: ρ=10.5 g/cm3

Q: Here is a long solenoid (coils of wire along a long cylinder) and an end view of the solenoid.…

A: Here in the question a long solenoid (coils of wire along a long cylinder) and an end view of the…

Q: hich of the following objects has the greatest momentum a. A 0.4 kg object rolling at 2 m/s b. A…

A: Asmomentum (p)=mass×velocitythusa.p=0.4 kg×2 m/s  =0.8 kg m/sb.p=0.50 kg×2 m/s  =1 kg m/s

Q: In these three circuits, all the batteries are identical and have negligible internal resistance,…

A: To rank all the light bulbs in order of brightness from brightest to dimmest.

Q: A composite material contains 15% TiC, 10% Co, 20% TaC and 55% WC. The densities of the components…

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Q: The thermal efficiency of a reversible power cycle operating between hot and cold reservoirs is 70%.…

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Q: In a double-slit arrangement the slits are separated by a distance equal to 84 times the wavelength…

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Q: A car is traveling around a circular track of 690-ft radius. If the magnitude of its total…

A: The rate at which the car is changing its speed, also known as the centripetal acceleration, can be…

Q: An 67 cm long metal bar measures 4 cm by 5 cm. One end of the bar is exposed to a temperature of 290…

A: According to the given data L =67 cm A= 4x5=20cm2 T1 = 290 deg C T2 = 12 deg C Q =30000J K = 420W/mC…

Q: A child pulls a friend in a little red wagon with constant speed. If the child pulls with a force of…

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Q: 2. After a perfectly inelastic collision between two objects of equal mass, each having initial…

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Q: A block of material has a volume of 2 m3. It has a mass of 1 × 104 kg. Calculate the density of the…

A: Givenvolume, v=2 m3mass, m=1×104 kgasdensity, d=mass (m)volume(v)

Q: An electric dipole is formed from two charges ± q, spaced 5.24mm apart. The dipole is at the origin,…

A: Given,The distance between the charges, d = 5.24 mm =5.24×10-3 my = 58.9 cmThe electric field…

Q: Solve for r. r+P = S 8

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Q: A plastic ball with a mass of 200 kg moves with a velocity of +30 m/s. It collides with a second…

A: Given:-  The mass of the plastic ball is M= 200 kg  The initial velocity of the ball is u = 30 m/s…

Q: • V1 • V2 = = 18± 2 m/s 16.0±0.5 m/s =

A: When measured values are written along with their uncertainties, the uncertainty of the result…

Q: The Merlin rocket engines developed by SpaceX can produce 7.44 x 105 N of instantaneous thrust with…

A: Given value--- instantaneous thrust = 7.44 × 105 N. instantaneous speed = 3.05 × 103 m/s. We have…

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.