Recent content by xlogit3k

force x distance

Wnet= 1/2mv^2(final)-1/2mv^2(initial) i don't know what numbers to put in

force x distance right?

Homework Statement A 17 g bullet is accelerated in a rifle barrel 103 cm long to a speed of 392 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N. Homework Equations The Attempt at a Solution...

Homework Statement In the 1950’s, an experimental train that had a mass of 22500 kg was powered across a level track by a jet engine that produced a thrust of 4.63 × 105 N for a distance of 533 m. Find the work done on the train. Answer in units of J. Homework Equations The...

idk i need help with this stuff in general

Need help with velocity problems! PLease Homework Statement Work is also measured in Joules. If a 2.59 kg object moves a distance of 56.9 cm as a result of 38N of foce. How fast is the object moving. Homework Equations ? The Attempt at a Solution I started by trying to find the...