This convenience store and filling station supplies 25,560 gallons of gasoline per day to central Pennsylvania residents. How many megawatts of chemical energy is this station putting out over the course of the day? Each gallon of gasoline contains 125,000 BTUS, each BTU/minute equals 17.58 watts.

Q: Using conservation of mechanical energy, calculate the final velocity of a 450 kg roller coaster at ...

A: According to conservation of energy  Total energy of isolated system remains constant. 

Q: Two vectors A and B are directed such that there is an angle θ between them. 1) Which of the follow...

A: Given two vector A and B Angle between vector A and B =θ Scalar productof two vector A.B =ABCos(θ)

Q: 1. Bob is an engineering student who has designed a bridge made completely out of steel. The bridge ...

A: 1)length of bridge at lowest recorded temperature of -30oC = 900 m Coefficient of linear expansion (...

Q: Consider a box sitting in the back of a pickup. The pickup accelerates to the right, and because the...

A:

Q: Three point charges are located at the corners of an equilateral triangle as in the figure below. Fi...

A:

Q: Using the diagram below, find the total resistance in the circuit. 42.5 n 6.8n 102 1 k2

A:

Q: 03: A 150 kg block is moves along a smooth horizontal surface at 172.8 Km/d. the horizontal surface ...

A: Given, mass of the block, m = 150 kgspeed of the block along the horizontal surface, v = 172.8 kmdle...

Q: Given data: Voltage=D12 Volt Reistance=4 ohm Determine current

A: Given data : Voltage=V Resistance=R   To find : Current

Q: Answer with soltuion please!

A:

Q: A simple pendulum has a length of 120 cm. If it oscillates on Earth, what would be its time period? ...

A:

Q: An ordinary incident light strikes a smooth window glass plate that is 5.0 mm thick and has a refrac...

A:

Q: A metallic sphere of radius 2.0 cm is charged with +5.0−μC charge, which spreads on the surface of t...

A:

Q: ght of 300.0km [N30E] in 45min. On checking with the meteorogical office, she finds that there will ...

A: We know that we have given A pilot wishes to make a flight of 300.0km [N30E] in 45min. there will be...

Q: CONCAVE CONVEX f

A:

Q: 1) A car starting from rest is traveling with a contant acceleration of 30 mis Find s veladity ater ...

A: Given data:  Initial velocity (Vi) = 0 m/s Acceleration (a) = 30 m/s2 Time (t) = 5 s Required: Final...

Q: car starts from rest, then accelerates at a constant rate over a distance of 66 m. It then immediate...

A:

Q: charges Q1= -2C and Q2= -2C are at the two vertices of an equilateral triangle, having a side length...

A: Electric field due to piont charge  E =kq /r2   If two or more than two electric field acts at a poi...

Q: A particle performs a one-dimensional motion with the position given by the time equation x(t) =  1,...

A: Given , x(t)= 1.3t4-2t3

Q: This is a multi-part question. Once an answer is submitted, you will be unable to return to this par...

A: Given value--- total distance = 100 m. time taken to cover 55m = 7.9 s. We have to find--- Determ...

Q: If the planet Mars is about 56 million kilometers from Earth, how long would it take for a radio wav...

A: Distance between Mars and Earth (r) = 56 million Kilometers or r = 56×106 km we know that speed of l...

Q: Two masses sit at the peak of two frictionless inclined planes that have different angles, as shown ...

A:

Q: Entropy Change for the Freezing of Water 2.3. Let us consider the free expansion of a gas. Initially...

A:

Q: The kinematic equations can describe phenomena other than motion through space and time. Suppose x r...

A:

Q: + Three ropes are tied to a stick, and over it there are three forces acting: A 20 NE; B = 30 N, 30 ...

A:

Q: While at the airport, you lift your suitcase straight upward with a force of 100 N, and it accelerat...

A: Force (F) = 100 N acceleration (a) = 0.550 m/s2 gravitational acceleration (g) = 9.8 m/s2  

Q: What type of nature does light, a type of electromagnetic radiation, have? Particle ...

A: Electromagnetic waves are transverse in nature that is they contain oscillating electric and magneti...

Q: work

A:

Q: 11. On the same piece of paper as the previous graph, sketch a prediction of what you think the Spee...

A:

Q: A negative charge of -200 micro coulomb and a positive charge of 800 micro coulomb are separated by...

A: Given  charge(q1)=-200μC charge(q2)=800μC distance between the charges (r)=0.3 m Required force betw...

Q: Charge of 1 electron Number of electrons in 1 Coulomb Electric field strength Electric field of a po...

A:

Q: Which of the following does not explain why the magnetic flux on a closed surface equal to zero? 2 M...

A: Magnetic flux is defined as the amount of magnetic field passing through a given area and it can be ...

Q: answers with worked out solutions please!

A:

Q: You have an equilateral triangle, and it happens you place three charges (22) (-58) (54) on each ver...

A:

Q: 5.3-cm tall wooden can is placed a distance of 9.1 cm from a concave mirror having a focal length of...

A:

Q: Part A Eight identical bulbs are connected in series across a 120-V line. Part B Part C If the curre...

A: Given: The supply voltage is 120 V. The number of identical bulbs is 8. The current in the circuit i...

Q: A kid stands 6.00 m from the base of a flagpole which is 8.00 m tall. Determine the magnitude of the...

A:

Q: 1. Find the resultant using (a) the head-to-tail method, and (b) the parallelogram method:  A clever...

A:

Q: travels at a constant velocity at 25 m/s and overtakes it's stationary car 'B'. Two seconds later ca...

A: Let when car B catches car A  Time taken by car A = t sec  As per question  Time taken by car B = (t...

Q: circuit A two identical lamps are connected in parallel with each other and in parallel with a volta...

A: Equivalent resistance in series  R = R1 + R2  Equivalent resistance in parallel  1/R  = 1/R1 + 1/R2 

Q: A spacecraft starts from rest, and makes a journey to a destination 436000 km from its starting poin...

A:

Q: Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 µC at x = 0 and q2 = -8.0µC ...

A: The force betwee two charges q1 and q2 at distance r is given by F= kq1q1 /r2.  

Q: what is force ?

A: In general way a force is refereed as push or pull.

Q: tion with a speed of 8.2 x 10 m/s experiences zero magnetic force. When it moves in the positive y d...

A: Given  Speed of proton v = 8.2×105 m/s  F = 1.6×10-13 N   

Q: What's the relationship of voltage to a) electric field? b) electric flux? c) electric force?

A: Step1 - Understanding the relationship between electric field and Voltage.              This relatio...

Q: A ball is launched from ground level with an initial upwards velocity of 20 m/s and an initial horiz...

A:

Q: The current density is a vector whose magnitude J is the current 1 per unit cross-sectional area A. ...

A: I = 3.6 mA  A= 7.2 × 10-6 m2

Q: Beams of high-speed protons can be produced in "guns" using electric fields to accelerate the proton...

A: Given value--- electric field = 2.82 × 104 N/C. mass of proton = 1.67 × 10-27 kg. distance = 1.02 c...

Q: A length of PVC has been triboelectrically charged and positioned so that one end is 4 cm above a sm...

A: GivenCharge on the PVC (Q1) = -16 μCMass of Piece of paper = 1g = 1 x 10-3 kgDistance (r)  = 4 cm = ...

Q: Activity 2: Solve for all unknown values: CT, QT, Q1, Q2, Q3, V1, V2, and V3 in the connection provi...

A: All values given in circuit.

Q: A particle is thrown at an angle of 45 degrees to the horizontal. Neglect any effects of air resista...

A: Given data:  A projectile motion  Angle (θ) = 45° Air resistance is negligible Required: At maximum ...

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.