With what velocity must a ball be thrown vertically upward in to order to rise to a height of 50ft? How long will it be in the ain'

Q: Water has an uneven, or asymmetrical, distribution of electron density. A diagram of a water…

A: water molecules have an uneven distribution of and charge density

Q: A crystal of salt consists of electrons and positive ions. How does the net charge of the electrons…

A: A salt crystal contains both positive and negative ions. Since a salt crystal is neutral it has same…

Q: An insulator is a material in which electrons are not able to move easily. a. true b. false

A: Materials that do not allow electricity to pass through them are called insulators. There are no…

Q: A string is attached to the rim of a small hoop of radius r = 8.00x10-2 m and mass m = 0.180 kg and…

A:

Q: The figure below shows a cross-sectional view of two long, straight, parallel wires that are…

A: Two current carrying wires kept parallel at a distance, d The current carried by the wire is given…

Q: The earth's magnetic field can affect the electron beam in an oscilloscope or a television tube. An…

A: Given: In this question, the given details are, The earth's magnetic field can affect the electron…

Q: Calculate the amount of time it would require for 1eV of energy to be absorbed by an atom in a metal…

A: Here we have,

Q: 61. ssm Prairie dogs are burrowing rodents. They do not suffocate in their burrows, because the…

A: It is given that, VA=8.5 m/sVB=1.1 m/sρ=1.29 kg/m3 It is necessary to determine the air pressure…

Q: Power Series Solution Usin... 1. (1-x)y'=y

A: Solution attached in the photo

Q: Why are the conductors heating devices, such as bread-toasters and elec tric irons, made of an alloy…

A: Alloys are homogeneous mixtures where components are solids. Hence it is a solid solid homogeneous…

Q: Find the work done when a Na+ (monovalent) ion moves from a distance of 1mm to the surface ~10 Å

A: Given that: λ=QL=1e1.7Ao=-1.6×10-19 C1.7×10-10 m=-9.41×10-10 C/mFrom here, L=1.7×10-10 mdE=-kdqεrr2…

Q: The drawing shows an intravenous feeding. With the distance shown, nutrient solu- tion (p = 1030…

A:

Q: tion (in newtons) between a cation with avalence of +2 and an anion with a valence of -3 , the…

A: Given  cation with a valence of +2 and an anion with a valence of -3 , the centers of which are…

Q: The atomic radii of a divalent cation and a monovalent anion are 0.074 nm and 0.128 nm,…

A: Given data The first charge is q1=+2e The second charge is q2=-1e The atomic radius of the cation is…

Q: What makes a material a good insulator? A
the phase of the material

B
tightly bound valence…

A: According to the ability to conduct electricity materials are divided into conductors, insulators…

Q: Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at…

A: "As per the guidelines i solved the first three subpart". The emf of the cathode in electrolysis…

Q: Show that spheres occupy 74% of the total volume in a face-centered cubic structure in which all the…

A:

Q: A sailing boat moves on water at constant acceleration to the right. The boat is pushed by the wind…

A:

Q: Can Silver (E°red = +0.800 V) be used as a sacrificial anode for iron surfaces (E°red = –0.440 V)?

A:

Q: Name different types of rectifier.

A: Rectifiers are electrical devices which contain one or more diodes to allow the flow of current only…

Q: How many protons does a gold atom have:

A: An element symbol in atomic physics is represent as, XZAwherer, A is the mass numberZ = atomic…

Q: 2. A sodium chloride molecule has an Na-Cl distance of 236.1 pm (recall 1 pm is 10-12 m.) In this…

A: direction of diapole moment is from Cl- to Na+ (from B to A)magnitue,  p=236.1×10-12×1.3×10-19…

Q: 4) For a balanced Wheatstone bridge (ie. when null condition is met, Eo = 0) R2= 5k Ohm, R3= 27 k…

A: Given:  R2=5 kΩ, R3=27 kΩ, R4=9 kΩ Null condition, Eo=0.

Q: 7) Calculate the maximum radius of a sphere that may be accommodated in an octahedral hole in a…

A: Radius ratio is the ratio of radius of cation to the radius of anion present in the molecule.…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –