(i

Q: (a)  vx =   (b)  vy =   (c)  vz =   (d)  ax =   (e)  ay = ...

A:

Q: A roller coaster starts going down a hill from rest. It accelerates at 4.0 m/s^2. If it is on the hi...

A: Step 1Let a be the acceleration, t be the time taken and u be the initial velocity, then  

Q: Find the direction and magnitude of the net electrostatic force exerted on the point charge q2q2 in ...

A:

Q: A 0.278-kg volleyball approaches a player horizontally with a speed of 13.0 m/s. The player strikes ...

A: (a) Let vi be the initial velocity, and vf be the final velocity, F be the average force.Write the e...

Q: On a planet A ,a box of chocolates weights 3.00N. If the box takes 3.50s to reach the ground when dr...

A: The gravitational acceleration of the planet A is,Substitute the values, to find the gravitational a...

Q: Please help me. Make sure to give clear answers for all the parts they are attached as 2 screenshots...

A: GivenVelocity of plane vplane= 530 km/h due southVelocity of air vair = 80.0 km/h due northeastDurat...

Q: Please help me. Make sure to give clear answers for all the parts they are attached as 2 screenshots...

A: GivenDistance between child and life guard x = 45 m/sVelocity of life guard Vx = 2 m/sVelocity of th...

Q: A pan filled with hot food cools from 94 °C to 86 °C in 2 minutes when the room temperature is at 20...

A: Accroding to the newton’s law of cooling,

Q: If 109 electrons move out of a body to another body every second, how much time is required to get a...

A:

Q: Convert 13.76 g/cm3 to Pascals. (Show procedure of conversions)

A: First to convert g/cm3 to kg/m2. One g/cm3 is equal to 0.001 kg/m2.Thus conversion of 13.76 g/cm3 to...

Q: A ball is dropped from 13.6 ft above the ground. Assume that air-drag is negligible in this case.  (...

A: GivenHeight h = 13.6 ftKnownAcceleration due to gravity g = 32.2 ft/s2 

Q: A particle that can move along the x-axis is part of a system with potential energy U(x) = A x 2 − B...

A: (a) Consider the given function of the potential energy, take the values for the constants A and B a...

Q: Two point charges are placed on the x axis. (Figure 1)The first charge, q1q1 = 8.00 nCnC , is placed...

A: Givenq1 = 8.00 nCq2 = 6.00 nCX1 = +16 mX-2 = - 9 mA = (0.00,12.0)

Q: 3. A bug is 12 cm from the center of a turntable m/ that is rotating with a frequency of 45 rev/min....

A: Step 1It is given that

Q: Two boys with masses of 40 kg and 60 kg stand on a horizontal frictionless surface holding the ends ...

A: Step 1The masses of the boys can be represented as m1 and m2, and length of the rod as l. It is give...

Q: A rifle with a weight of 25 N fires a 4.5-g bullet with a speed of 210 m/s. (a) Find the recoil spee...

A: a)The required recoil speed from conservation of angular momentum is,

Q: Define latent heat of fusion (Lf) and latent heat of vaporisation (Lv).

A: Latent heat of fusion: Heat energy required to convert 1 kg of solid to its liquid form at its melti...

Q: I'm not sure how to solve this! I tried and got 1.3 / 2.4 seconds. Am i right? Could you explain how...

A: GivenHeight of Jerry h = 1 m/sInitial velocity u = 18 m/sHeight of George H= 16 m

Q: The coefficient of volume expansion of glycerine is 49×10-5 K-1. What is the fractional change in it...

A: The expression for the volume expansion of the glycerine is

Q: A pyramid has a height of 512 ft and its base covers an area of 14.0 acres (see figure below). The v...

A:

Q: What is elctric dipole?

A: Electric dipole:As the name indicates it has two polarities, positive and negative. Generally the di...

Q: A child slides down a playground slide, starting at rest, and goes off the end of the slide travelin...

A: Let v be the final velocity of child, u be the initial velocity, a be its acceleration, s be the dis...

Q: A student throws a tennis ball horizontally at 25 meters per second from a cliff 45 meters above the...

A: GivenInitial velocityux = 25 m/suy = 0Height of the cliff h = 45 m

Q: A cliff diver stands at the top of a cliff and falls forward off the cliff. If the cliff is 25 m tal...

A: The height of the cliff,

Q: A very massive object traveling at 10 m/s strikes a light object, initially at rest, and the light o...

A: GivenInitial velocity of massive object um = 10 m/sInitial velocity of lighter object uL = 0 m/s

Q: A certain rain cloud at an altitude of 1.75 km contains 3.20 x107 kg of water vapor.  How long would...

A:

Q: what the Sun would look like from Earth if the entire photosphere were the same temperature as a sun...

A: Answerorange

Q: Please provide ample explanation for both questions.

A: GivenMass m = 5.0 kgInitial velocity u = 3.1 m/s

Q: Earth presently has 1.4 billion hectares of arable land, and each hectare produces between 1 and 2 t...

A: It is given that each hectare of land is producing grain between 1 and 2 tons, its average 1.5 tons ...

Q: Suzie Lavtaski has reached the end of the ski slope and abruptly decelerates from 20 m/s to 4.56 m/s...

A: Consider the first situation. Consider the Suzie’s initial velocity be u1, her final velocity be v1,...

Q: In the attached image, T1 = 24.0 N, and T2 = 16.0 N act on a block of mass 2.00 kg. The surface has ...

A: Given:Tension, T1 = 24 NTension, T2 = 16 NMass = 2 kgDisplacement = 4 m

Q: Define Greenhouse effect.

A: Greenhouses allow shorter-wavelength light to pass through them but doesn't let the longer wavelengt...

Q: how much work is done when a force of 816.0N is exerted while pushing a crate across a level floor f...

A: GivenForce F = 816.0 NDistance d = 1.40 m

Q: What is the radial acceleration (m/s) of mercury if orbital period is 88 days and orbit radius is 5....

A: The given values are,

Q: A professional golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club i...

A: According to Newton’s 2nd law, force is the rate of change in momentum.

Q: 27. This problem compares the energy output and heat transfer to the environment by two different ty...

A: In the diagram, QS and QR is the heat supplied and heat rejected form the power stations respectivel...

Q: A bullet with a mass of 3.08 g moves at a speed of 1.50 ✕ 103 m/s. If a tennis ball of mass 57.2 g h...

A: According to the question,

Q: A Formula One car is a single-seat racing car with an open cockpit and substantial wings located in ...

A: Step 1It is given that

Q: 7.20 nC of charge is uniformly distributed along a thin rod of length L = 2.20 cm as shown in the fi...

A: The below figure represents the direction of electric field at point P at a distance of 9.90cm from ...

Q: In the figure here, a red car and a green car move toward each other in adjacent lanes and parallel ...

A: Given information:

Q: Please help me. Make sure to give clear answers for all the parts they are attached as 2 screenshots...

A: Given:The speed of a boat in still water = v.Current speed of river = u.

Q: What is the height of table top?

A: GivenInitial horizontal velocity ux = 1.20 m/sInitial vertical velocity uy = 0 m/sTime of flight t =...

Q: Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. T...

A: Given:

Q: (a) Calculate the force needed to bring a 850 kg car to rest from a speed of 90.0 km/h in a distance...

A: (a) Consider the car initial velocity be u, its final velocity be v, its mass be m, and its displace...

Q: The position of an object moving vertically along a line is given by the function ​s(t) = -4.9t2 + 3...

A: Givens(t) = -4.9t2 + 35t + 22

Q: How do you find Area under a curve?

A: Let the function is,

Q: A rifle with a weight of 40 N fires a 5.1-g bullet with a speed of 290 m/s. (a) Find the recoil spee...

A: (a) Using conservation of momentum, recoil velocity is,

Q: What is direction of average acceleration?

A: Write the expression for change in velocity

Q: Please help me.

A: Answer180o

Q: A cliff diver stands at the top of a cliff and falls forward off the cliff. If the cliff is 25 m tal...

A: Speed of diver when she enters the water will be,

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.