Now consider the same force F acting on a particle that travels from point A to point B. (Figure 2)The displacement vector L now points in the opposite direction as it did in Part A. Find the work WAB done by F in this case. Exproco in torm

Q: The atmospheric pressure on earth is 101kPa. The surface area of the earth is related to its mean ra...

A: Radius of the earth is r=6400 km=6400000 m Area of the surface of the earth is A=4πr2 If M be the ma...

Q: A block of mass 2.0 kg is placed on a smooth plane, inclined to the horizontal at an angle of 15o. T...

A: Given: The mass of the object is 2 kg. The weight of the object is 20 N. The angle of the inclinatio...

Q: Two capacitors, C1 = 6.18 µF and C2 = 3.22 µF, are connected in parallel, then the combination is co...

A:

Q: A hollow steel ball weighing 4 pounds is suspended from a spring. This stretches the spring = feet. ...

A:

Q: Relationship between temperature scales?

A: Relationship between temperature scale. As the temperature is measured in difference in scales, such...

Q: What must be the speed of a lead bullet if it melts when it strikes a steel slab? The initial temper...

A:

Q: The emf devices and lightbulbs in the figure below are identical. The terminal potential of the emf ...

A:

Q: e point charges ?1 = −4 ? 10−8?, ?2 = 6 ? 10−8?, and

A: Force

Q: our time, do you encounter random or systematic error? How to minimize the random or systematic erro...

A: we know that the random error and the systematic error, We define as  Random Errors:- Random error i...

Q: Two forces act on a bolt at A. Determine their resultant. Use graphical solution (triangle method) a...

A: 1. To calculate the Resultant force and the direction , we need to use FR = sq.rt ( Q2 + P2). and an...

Q: 4. A capacitor is marked 57.8 µF. a. What is the capacitance in farad? b. Ifit is connected across a...

A:

Q: Ohmic and non-ohmic conductors' effect on temperature variations.

A: As we know Ohmic conductors are those which obey Ohm's law. It means relationship between Voltage an...

Q: Exercises on combinational circuit of capacitors 1. I want you to create your own circuit of capacit...

A:

Q: A student is working with a 3.00-µF capacitor, a 5.25-µF capacitor, and a 5.40-V battery. What is th...

A: Given data: Capacitors;  C1=3.00 μFC2=5.25 μF Voltage V = 5.40 V  

Q: (a) Two capacitors, C, - 5.58 pF and C, - 3.02 pf, are connected in parallel, then the combination i...

A:

Q: When a 2.0 kg rock is dropped from a cliff it hits the beach at 24 m/s. At what speed would a 4.0 kg...

A:

Q: The series combination of 5.0 F and 20.0 F capacitors is connected in parallel to a 40.0 F capacitor...

A: Given C1 = 5.0 F and C2 = 20.0 F are connected in series and connected in parallel with C3 = 40.0 F ...

Q: A pendulum of length L=6 m and mass M=1 kg has a spring of force constant k=30 N/m connected to it a...

A:

Q: 4. A car starts its motion from rest and uniformly accelerates at a rate of 4m/s^2 for 2 seconds in ...

A:

Q: Two circuits made up of identical ideal emf devices (Ɛ = 1.71 V) and resistors (R = 36.2 N) are show...

A:

Q: Why doorknobs placed near the edge of the door rather than at a center? * a. to give more moment...

A: torque =r→×F→

Q: System A is in equilibrium with reservoir B. They are Einstein solids with the following specificati...

A: Macrostates: A macrostate can be explained using the macroscopic properties of a system. Examples of...

Q: The resultant of three concurrent forces is 90.00 lbs 340N of W. If two of these three forces are A=...

A: Given, Resultant of three concurrent forces, R = 90.00 lbs at 34° N of W A = 17.89 lbs 27° W of SB =...

Q: A 12.83kg box is released on a 33 degree incline and accelerates down the incline at 0.30m/s^2. What...

A: Given Box mass= 12.83Kg Angle of incline=33 degree Acceleration=0.30 m/s2  

Q: What is Curie temperature? State the effect of temperature on magnetization of a soft magnet.

A: Curie Temperature :- The temperature at which the magnetic material lost their permanent magnetic pr...

Q: A real spring with mass 0.23Kg and spring constant 59N/m is hanging vertically with a block of mass ...

A:

Q: A car has a initial velocity of 30 m/s and it travel a distance 130 m and stop. Find the acceleratio...

A: Given initial velocity u = 30 m/s final velocity V = 0 m/s distance to cover s = 130 m  using equati...

Q: A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the...

A:

Q: 1.How many coulombs of positive charge are there in 1.20 kg of plutonium, given that its atomic mass...

A:

Q: A frog is sitting on a lily pad when it sees a delicious fly. He darts out his tongue at a speed of ...

A: Given : v1f = 5.20 m/s m1 = 0.410 g = 0.41 × 10-3 kg m2 = 12.5 g = 12.5 × 10-3 kg v1i = v2i = 0 (bec...

Q: What is viscosity?

A: Viscosity can be defined as the property which offers the resistance to the flow of the fluid. It is...

Q: Consider two large Einstein solids, A and B, in equilibrium with the following parameters. # of osci...

A: Given in the Question: Number of oscillators NA = 300 NB = 200 heat units qtotal = 1000, Number of m...

Q: A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the...

A:

Q: The G string on a g grows his hair long the proper fret an distance between

A: We know that the formula of the fundamental frequency of the string is given as  f = v2L where v is ...

Q: The plates of a parallel plate capacitor are 3.28mm apart, and have an area of 12.2cm². Each plate c...

A:

Q: A 23 kg child is coasting at 3.6 m/s over flat ground in a 6.0 kg wagon. The child drops a 1.3 kg ba...

A:

Q: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

A: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

Q: A large bird is perching on a massive wire which takes up a curved shape. The angle of sag without t...

A:

Q: What is ideal gas equation?

A: Ques: What is ideal gas equation?

Q: What is the frequency of light that allows an electron to be released from a metal that has a work f...

A: Let ν be the frequency of light that allows an electron to be released from the given metal. Then th...

Q: How much work is done by a force of 12 N in moving an object through a distance of 9 m in the direct...

A: Given data :              Force  =  F              Distance  =  D                  To find :        ...

Q: Two capacitors, C1 = 16.0 µF and C2 = 45.0 µF, are connected in series, and a 6.0-V battery is conne...

A:

Q: In which process is the change of internal energy zero? adiabatic cyclic isobaric isochoric

A:

Q: A particle of charge +2.1 nC and mass 3 micro-gram) moves with a velocity V- 4.7 i km/s in a region ...

A: The relation for the force on a particle moving in a magnetic field is given by,  F=qV×B --------(1)...

Q: The equation describing horizontal motion of the mass m attached to a spring is given by: x=6cos(7t+...

A:

Q: Based on the theory for the lab the expected acceleration is 3.34 t 0.05 m/s. What is the discrepanc...

A:

Q: Q1 Volts A5 cm 1 2 3 4. Calculate the work required to move a charge of -5.70x10-12 C from a to j. A...

A: a) work done W = q* (v2-v1) where.v = potential here W = -5.70*10-12 * (2-(-2)) W= - 2.28*10-11  J

Q: Calculate the force of repulsion of two point charges, 1 Coulomb each, 1 m apart, in a neutral plasm...

A: t

Q: The vectors from the origin to the points A, B, and C are i + j, 3i + k, and 4i – 3j – 4k, respectiv...

A: We first find the vectors of the sides AB, BC and CA. Then find if any two vectors are perpendicular...

Q: hree 560 Ω resistors are wired in parallel with a 75 V battery. What is the current through each of ...

A: