2. (a) What is meant by “grounding” a charged body? (b) Explain how grounding a positively charged body causes it to lose its charge. (c) Why does the earth remain electrically neutral when it grounds a charged object?

Q: The voltage in circuit is 18 V and resistance is 6 ohms, find the current ?

A: Voltage is 18V and resistance is 6 ohm

Q: A 4-watt night light is plugged into a 120-volt circuit and operates continuously for a 30-day…

A: Hi, as this problem contains multiple sub-parts, hence the first three sub-parts will be solved for…

Q: In radio transmission, a radio wave serves as a carrier wave, and the sound signal is superimposed…

A: In amplitude modulation(AM), the amplitude of wave varies and in frequency modulation(FM) frequency…

Q: A cheetah can accelerate from rest to 7.4 m/s (about 17 m/h) in 1.1 seconds. How much average power…

A: Given Initial velocity of cheetah = u = 0 Final velocity of cheetah = v = 7.4 m/s time taken to…

Q: A spherical Gaussian surrounds a point charge q. Describe what happens to the total flux through a…

A: the final charge is quadrupled of initial means four times of initial

Q: A ball is held 50 cm in front of a plane mirror. The distance between the ball and its image is…

A:

Q: 28.0 V R 3. In the circuit shown in the figure below, find (a) the current in resistor R; (b) the…

A:

Q: Part A Ray 1 of light in medium a (see (Eigure 1) strikes the surface at 51.0" with respect to the…

A: This is a problem based on the refraction of light. We will solve the given problem, using Snell's…

Q: Conduction electrons move to the right in a certain wire. What does this imply? Assume a…

A: First option is correct.

Q: Estimate the time needed for a glycine molecule (see Table 13 – 4 in the textbook) to diffuse a…

A:

Q: How can a magnet produce a magnetic field? a by some other forces in the magnet aside from the…

A:

Q: A long straight wire lies along the y-axis carrying current in the positive y direction.What is the…

A:

Q: -4. How far is your image from you when you stand 4.40 m away from a plane mirrort a) 2.20 m D 24.40…

A:

Q: 2. The function h(t) = -16t2 + 48t + 1250 gives the height in feet of a ball that is thrown upward…

A:

Q: The pace at which a caterpillar climbing a leaf slows from 0.38 cm/s to 0.32cm/s is -0.05cm/s1. How…

A: Given: The intial velocity is 0.38 cm/s. The final velocity is 0.32 cm/s. The acceleration is -0.05…

Q: he pace at which a caterpillar climbing a leaf slows from 0.40 cm/s to 0.32cm/s is -0.02cm/s5. How…

A: Given: The initial velocity is 0.4 cm/s The final velocity of the object is 0.32 cm/s. The…

Q: What is the difference between a good con- ductor and a good insulator? (32.4) a. Why are metals…

A:

Q: A spherical Gaussian surrounds a point charge q. Describe what happens to the total flux through a…

A: Let the charge enclosed inside a gaussian surface = q Let the original flux through the surface = ϕ…

Q: Do not go into depth about the similarities and differences between Galilean (Newtonian) and Special…

A: Galilean invariance or Galilean relativity states that the laws of motion are the same in all…

Q: In the two-slit experiment, the distance between the slits and the screen is 1.10 m and the distance…

A: Given: The distance between the slits and the screen: D = 1.10 m. The distance between the slits: d…

Q: The Nardo ring is a circular test track for cars. It has a circumference of 12.5 km. Cars travel…

A:

Q: In large CRT televisions, electrons are accelerated from rest by a potential difference of 23.88 kV…

A:

Q: 2. Find the average binding energy per nueleon for Bromine, Br (atomic mass= 78.918336 u). a) 8.69…

A:

Q: A ray of light traveling in material #1 passes through some other materials as shown. Use the…

A:

Q: Problem: You are calculating the electric field of charge distributed in a disk as shown in the…

A:

Q: The bulk modulus of water is 2.1 GPa. Compute the change of volume of 100 mL of water when subjected…

A:

Q: e) 644 nm 20. The distance between two far away stars is 6.80 light years. A spacecraft travels…

A: Given  Distance between two Stars  d = 6.80 light years     Since, Light year is defined as distance…

Q: The ray diagram for a spherical mirror is shown below. Which of the following is true about the…

A:

Q: The wavefunction for a wave on a taut string of linear mass density u = 40 g/m is %3D given by:…

A:

Q: In the diagrams below, all light bulbs and all emf devices are identical. In which circuit (A, B, C,…

A: Ans is D

Q: Jennilyn wants to freeze her 180g of water from 30 deg C elsius to -30 degree Celsius.…

A:

Q: 6. Two conductors are made of the same material and have the same length. Conductor A is a solid…

A:

Q: What is the Fahrenheit temperature of a person with a 41.0°C fever? °F Frost damage to most plants…

A:

Q: A automobile climbed up a hill at a consistent speed of 60 m/s before descending at a speed of 70…

A:

Q: A 5.0 W point source emits sound waves isotropically. Assuming the energy of the waves is conserved,…

A:

Q: Which one of the following statements is incorrect concerning the X-ray spectra (see figure)? a The…

A: The X-Rays are produced to the phenomenon where an electron from a higher level energy state loses…

Q: A cannon of mass 796kg fires a ball of mass 41.3 kg in the positive direction of an x axis, at…

A:

Q: Beview I - Part A A solid, uniform ball rolls without slipping up a hill, as shown in the ligure…

A:

Q: In the diagrams, all light bulbs and all emf devices are identical. In which circuit (A, B, C, D, E)…

A: Given There are different circuit is shown in the figure. We have to choose those option in which…

Q: A automobile climbed up a hill at a consistent speed of 50 m/s before descending at a speed of 70…

A:

Q: (a) The first lens (shown in the above figure) is 1 cm in focal length and placed 3 cm from the…

A: For a convex lens if object distance is u and image distance is v and focal length is f then we know…

Q: We have a parallel plate capacitor with two plates contairing charges + Q and -Q a distance d =…

A: Given: The separation between plates is 0.146 m. The initial speed of the proton is 0 m/s. The final…

Q: Would the world, the universe, be different if the electrons had positive charge and protons…

A: A positive charge will not have any significance if a negative charge is not present similarly wise…

Q: Jeff, who is 6.0 ft tall, stands in front of a plane mirror. What is the shortest plane mirror that…

A: Given:  height of the person (h) = 6.0ft To find: height of the shortest plane mirror. Solution: To…

Q: In a single-slit diffraction experiment, the width of the slit is 1.90 µm. If a beam of light of…

A: Correct option a) 18.7 degree

Q: vo positive point charges q1 = +2.15 µC and q2 = +6.05 µC are placed at the opposite corners a…

A:

Q: A automobile climbed up a hill at a consistent speed of 50 m/s before descending at a speed of…

A:

Q: A turntable rotating at 24 rev/min is shut off. It brakes with constant angular acceleration and…

A:

Q: Jennilyn wants to freeze her 180g of water from 30 deg C elsius to -30 degree Celsius.…

A: Amount of energy Q=ms(T2-T1) s=water specific heat=1 cal/gm.k

Q: The pace at which a caterpillar climbing a leaf slows from 0.60 cm/s to 0.51cm/s is -0.01cm/s2. How…

A: Given: The intial velocity is 0.6 cm/s. The final velocity is 0.51 cm/s. The acceleration of the…