As shown in the figure, the charge Q is midway between two other charges. If Q= -10nC, what must be the charge q2 so that charge q₁ remains stationary as Q and q2 are held in place?

Q: A man pushes a lawn mower on a level lawn with a force of 195 N. If 28% of this force is directed…

A:

Q: Pancho uses his hand to push a block up a ramp, see figure. Match the letters with the type of work…

A:

Q: A boy pushes his little brother in a box with a force of 500 N for 324 m. How much work is this if…

A:

Q: Calculate the force needed to do 500 J of work while pulling a cart a distance of 3.4 m.

A:

Q: based on the definition work vs. energy provide an example of work vs. energy in your daily life.

A: Given Data: Work vs. energy To Determine: An example of work vs energy in daily life.

Q: How much work is done by a machine to lift 750 kg of bricks to a height of 8.2 m?

A: Work done = gain in the potential energy by the bricks = m×g×h Here, m= 750 kg            g= 10 m/s2…

Q: How much work is needed to horizontally move a 1,200 kN box in constant speed? The frictional force…

A:

Q: ! Required information A 434-kg pile driver is raised 12.8 m above ground. How much work must be…

A: Mass of pile driver (M) = 434 kg  Height upto which it is raised (h) = 12.8 m

Q: Please define work and state the work-energy theorem.

A: Question: Define work. State the work-energy theorem.

Q: How much work would a child do while pulling a wagon a distance of 4.7 m with a 28 N force?

A: The given data are: d=4.7 mF=28 N Heere, d , and F represent the distance and force.

Q: The work you do when pushing a shopping cart twice as far while applying double the force is A)…

A:

Q: How much work is done by a girl weighing 500 N in climbing 5.0 m up a rope in the school gym?

A: Given data:  Weight (mg) = 500 N Height (h) = 5.0 m Required: Work (W)

Q: a) I. What is the weight (in Newtons) of a 32 kg child? Show ALL work. II. What is the mass (in kg)…

A: a) Determine the weight of the child.

Q: Suppose a 87.5kg sprinter acccerlates from rest to 11m/s in 3.1 s a)what is the power output in…

A: Mass (m) =87.5 kg Initial velocity (vi) = 0Final velocity (vf) = 11 m/s Time (t) = 3.1 s

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.