Physics Answers

 What is the potential energy of a similarly charged fragment at this distance?

In nuclear fission, a nucleus splits roughly in half. What is the potential 5.00×10 –12 m from a fragment that has 42 protons in it?

how to use the parallelogram method to add more than two vectors. 

how to use the parallelogram method to add more than two vectors. 

A sphere 4 inches in diameter is made of steel with a specific gravity of 8. Determine its kinetic

energy (BTU) if it rolls with a velocity of 10 ft/s.

The following data were obtained in a refraction survey.

Distance(m) 0 5 10 15 20 25 30 35 40 45 50 55 60

Time(msecs) 11 22 32 37 38 41 42 41 41 42 42 43 44

(i) Plot the time-distance graph and

(ii) Calculate the depth to the refractor below the shot point.

A toroid core has N = 1200 turns, length L = 80cm, cross-sectional area A = 60cm2

,

current I = 1.5A. Compute B and H. Assume an empty core.

A 14.5 cm high object is placed 50.0 cm in front of a concave mirror with radius of curvature equal to 30.0 cm. determine the distance, height, and image formed by the mirror.

An aircraft flying at an unknown initial velocity accelerates uniformly,at the rate of 5m/s².it reaches a velocity of 200m/s after accelerating over a distance of 3000 m. calculate the initial velocity of the aircraft

Determine the charge transferred when a current of 5mA flow for 10 minutes