rt A a C₁ C₂ C3 C4 b

Q: Briefly outline the steps that occur to produce cloud-to-ground lightning.

A: In summer the suns energy heats the earth surface, which in terns heats the atmosphere near it.…

Q: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…

A: The mass m=287 kg The angle θ=17.1° The coefficient of kinetic fraction μk=0.253

Q: "Jack and Joe leave their homes at the same time and drive toward each other. Jack drives at 60 mph,…

A: Given data:  Jack and Joe drive toward each other  Speed of jack (V1) = 60 mph Speed of Joe (V2) =…

Q: It is not very realistic to assume a car simply starts from rest with constant acceleration. Let's…

A:

Q: . An airplane, starting from rest, moves down the runway at constant acceleration for 18 s and then…

A: Given data: Initial velocity (u) = 0 m/s Time (t) = 18 s Final velocity (v) = 60 m/s Required: The…

Q: The positions of a particle along a straight line is given by s= 7.7e-0.58t - 1.9t+ 0.9t2, where s…

A: Given  s = 7.7 e-0.58t -(1.9)t+  (0.9)t2  Acceleration at 2.89 m/s2

Q: 15-Two converging lenses have the same focal length of 5.00 cm. They have a common principal axis…

A: The focal length f=5 cm The object distance d∘=10 cm The distance between the lens x =21 cm.

Q: Jaclyn and Vanessa also join NASA to avoid CoVid. But instead of spending the year in space playing…

A: total time = T = 6 months = 1.577 x 107 Sec radius of Mars = R = 3389.5 Km = 3389.5 x 1000 = 339500…

Q: it takes a 600kg racing car 10 secs to travel at a uniform speed around a circular track with a…

A: Given data:  Mass (m) = 600 kg Time taken to complete one revolution (T) = 10 s Radius (r) = 50 m…

Q: 01: Consider a unidirectionally reinforced glass fiber/epoxy composite. The fibers are continuous…

A: Solution:-  See the image attached below.

Q: An object weighing 500 N is placed in an elevator that is accelerating downward. What would have to…

A:

Q: 40. An airplane, starting from rest, moves down the runway at constant acceleration for 18 s and…

A:

Q: The velocity of an object traveling along the x-axis changes from -40 m/s to 70 m/s in five seconds.…

A: Given data:  Initial velocity (u) = -40 m/s Final velocity (v) = 70 m/s Time (t) = 5 s Required: The…

Q: of magnitudes F₁ = 4.0 N, F₂ = 6.0 N, ON are applied to a block of mass initially at rest, at angles…

A: a )Fnet  = 4cos25i  + 4sin25j  - 8i + 6cos35 i - 6sin35j     = 0.54i  - 1.75j  |Fnet|  = sqrt(0.54^2…

Q: Question Set 2.3: Uncertainty with Digital Instruments 1. The reading on a digital stopwatch is 0.76…

A:

Q: An object moving along the x-axis initially has a velocity of 60 m/s, and is slowing down at the…

A: Given initial speed of object (u)=60 m/s Retardation acceleration (a)=-4 ms-2 Final speed (v)=0 m/s…

Q: The car is traveling at a speed of 71 mi/hr as it approaches point A. Beginning at A, the car…

A: Given, Speed of the car, v = 71 mi/hr = 104.13 ft/s acceleration of the car from point A to B, aAB =…

Q: A room attendant does 110.0 J of work in pushing the service trolley by a force of 33.0 N to a…

A: Given data:  Work done (W) = 110.0 J Force (F) = 33.0 N Distance (d) = 8.25 m Required: Angle (θ)…

Q: A bug is crawling along a meter stick that is horizontally aligned on the top of the table. If the…

A: Given that The position of the bug in each 2 seconds interval is time interval (in s) position…

Q: A grinding wheel is in the form of a uniform solid disk of radius 7.07 cm and mass 1.98 kg. It…

A:

Q: 1.43. Find the angle between each of these pairs of vectors: (a) A = -2.00î +6.00ĵ and B = 2.00 -…

A:

Q: A 3.0 kg particle has a velocity of v = 3.0î - 4.0ĵ m/s. Find its momentum in cartesian and polar…

A: The momentum(Linear Momentum) is defined as a product of mass and velocity of the particle. Momentum…

Q: a. The mean pressure of the surface of the Earth is 984 mbar, slightly less than the mean pressure…

A:

Q: A charge is placed at the midpoint of the line joining two equal charges +2Q. Find the nature and…

A:

Q: A cooler (mass 3.2 kg) is initially at rest on a horizontal floor. It is then pushed in a straight…

A:

Q: An automobile moving at 20 m/s accelerates at a rate of 5 m/s^2 for ten seconds. How far (in meters)…

A:

Q: Eight identical bulbs are connected in series across a 120-V line. A.If the current is 0.48 AA ,…

A:

Q: Which of the following statements are incorrect? (do not choose the correct answers) a. Two bodies…

A: 1-Two bodies with different masses create equal and opposite forces.(When two unequal bodies strike…

Q: What is the purpose of invention and why is it important?

A: Invention is new idea and new thing of creative brain and we deal with some different technology ,…

Q: An artillery crew demonstrates its skill by firing a shell at an angle of 88.0 degress and then…

A: An artillery crew demonstrates its skill by firing a shell at an angle of 88.0 degress and then…

Q: Consider the following. (LetC₁ = 8.60 µF and C₂ = 2.60 µF.) 6.00 F + 9.00 V C₁ (a) Find the…

A: Given:-  C1= 8.60μFC2= 2.60 μF The voltage V = 9.0 V  Find:- a)  The equivalent capacitance of the…

Q: At a rate of 1.200 meter per second, what is the total distance traveled by an ant in 3 minutes

A: In 1m = 100 cm An ant travel 1.200m in 1 second Then 1 minute = 60 second 3 minutes = 180 second

Q: Q4 // Barium has a crystalline structure BCC, atomic radius of (0.217nm) and atomic weight A =…

A: In the following question, we have crystalline structure BCC with, Atomic radius, r=0.217 nm Atomic…

Q: 3. Knight P6.12 A horizontal rope is tied to a 50.0 L box on frictionless ice. What is the tension…

A: Given:-  The mass of the box is m= 50 kg  Find:-  The tension in the rope? a) When the box is on…

Q: As a sailboat sails 52 m due north, a breeze exerts a constant force F₁ on the boat's sails. This…

A: Given: The distance travel by boat when force F1 exert on boat ( S1 )=52 m. The distance travel by…

Q: On a particle level, what two factors contribute to an increase in pressure in a constant volume…

A: 1) particles hit the walls of the container with more force 3) particles hit the walls of the…

Q: These numbers do not add up correctly - please resubmit the answers - thanks!!

A:

Q: Charges of 6 C each are placed at the four corners of a square of side 2V2 m. What is the electric…

A:

Q: At what angle(s) should the nozzle point in order for the water to land 6.69 m away? What is the…

A:

Q: Given the following figure, please explain to me how the velocity of car A relative to car B is…

A: Given Data: The velocity of Car A VA=10 ms The velocity of Car A VB=18 ms The angle between the path…

Q: A particle starts from rest at x = -1.7 m and moves along the x-axis with the velocity history…

A:

Q: The gravitational force two objects exert on each other is 6000 N. What would be the new force (in…

A: Given data:  Gravitational force between two objects (F) = 6000 N New distance between the objects…

Q: How many 17 Ω resistors must be connected in series to give an equivalent resistance to five 255 Ω…

A: R1 = 17 ohm R2 = 255 ohm number of R2 resistors in parallel = 5

Q: 4. The electric company charges $0.50 per kilowatt hour. How much will it cost per month (30 days)…

A: Given value--- rate = $ 0.50 per kWh. current = 20 Amp. Voltage = 120 V. time = 24 h in a day. We…

Q: A fish swimming in a horizontal plane has velocity ,- (4.00 +1.003) m/s at a point in the ocean…

A:

Q: 2. A copper telephone wire has essentially no sag between poles 35.0 m apart on a winter day when…

A: Given data:  A copper telephone wire  Original Length (L0) = 35.0 m Initial temperature (Ti) =…

Q: A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the…

A:

Q: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…

A: Given value--- mass = 287 kg. angle = 17.1 degree . coefficient of kinetic friction = 0.253 . We…

Q: m Frictionless m

A:

Q: (3) When a particle of mass m is at (x,0), it is attracted toward the origin with a force whose…

A:

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.