What is the mechanical potential energy of an electron at the center of a gold nucleus 197 79Au given that the nucleus is a uniformly charged sphere of radius R = 1.2 A^(1/3) fm.

Q: KE (J) 그아 6 4 2 + t(s) 250 50 100 150 200

A: Power is defined as work done per unit time i.e. P = W∆t by the work-energy theorem change in…

Q: A boat pulls a skier 237 m with a 335 N force directed 15o above the centerline of the boat. How…

A: Distance moved = 237 m  Force = 335 N  Angle = 15 degree

Q: Calculate the power if 814 Joules of work gets done in 10 seconds

A: Given Data: Work Done, W = 814 Joules Time, T =10 seconds

Q: Problem 5: A horizontal force of magnitude 19.9 N pushes a box along a horizontal floor at a…

A: Given value--- force = 19.9 N. constant speed = 6.99 m/s. We have to find--- power ?

Q: stant force of 10.3 newtons is used to push a 3.0 kilogram mass 15.0 meters across the floor. How…

A: We know that the work done on an object is defined as when a force F is applied to an object of mass…

Q: A 0.95 kilogram object is 145.43 meters above the ground. What is the object's potential energy at…

A: m = 0.95 kg h = 145.43 m

Q: 2 people of the same mass climb the same set of stairs. Person A climbs the stairs in 25s. Person B…

A: Part (a) The work done does not depends on the time taken by both the people. The expression for…

Q: How do you find the work done by those forces?

A: Draw the free-body diagram of the crate.

Q: How much work in J must be done by frictional forces in slowing a 4.82 kg car from 10.28 m/s to rest

A: According to the work energy theorem,  Work done = change in kinetic energy

Q: How much work is required to throw a ball with a mass of 0.19 kg 32.18 m/s. Assume the ball starts…

A: Given: Mass of ball, m=0.19 kg As the ball start from rest, hence initial speed of ball, u = 0 Final…

Q: How much work does a sled dog do if she pulls with a force of 2.9 N on a horizontal track over a…

A: We know that,If force and displacement are in same direction, Work done= Force x Displacement…

Q: Joule is a unit of the following: work, power, potential energy, and kinetic energy, true or false?

A: Work: Work = Force ×Displacement      W = F ×S Units of work:    1 J = 1 N m   Power: Power = Work…