Tag Archives: force

i challenge anyone to answer this physics problem!!!?

A spring of negligible mass stretches 3.00 cm from its relaxed length when a force of 6.10 N is applied. A 1.100-kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is pulled horizontally so that it stretches the spring 5.00 cm and is then released from rest at t = 0.

(a) What is the force constant of the spring?
N/m
(b) What are the period, frequency, and angular frequency () of the motion?
s (period)
Hz (frequency)
rad/s ()
(c) What is the total energy of the system?
J
(d) What is the amplitude of the motion?
m
(e) What are the maximum velocity and the maximum acceleration of the particle.
m/s (maximum velocity)
m/s2 (maximum acceleration)
(f) Determine the displacement, x, of the particle from the equilibrium position at t = 0.500 s.
m

Can we use light to travel in space?

Light is a form is engery can it be used to travel in space iam not talkin abt solar power or anything like that.. i heard that light exerts a small force which we dont feel but can be deteched using advanced equipments and comlicated experiments… But the question stil remain can we use light to travel like we fuel in our vehicels.. What do u think about it..plz answer both questions

try solving this question of physics.?

A person has a mass of 80 kg. They go for a run with a constant speed of 3.5 m/s. When running against a resistive wind force they have to generate 50 W more power than running with the same wind force. How strong is the force due to the wind?

My thoughts of the world and how it operates and what can be done to better the lives of billions of people?

sell all the mansions that rich people have. make them live in apartments so they can give money back to the world and sell all their bling bling. i think some rappers have like 1 million dollars on one little finger that could be used to build homes for a few people. Bill Gates has like 55 billion? wtf do you do with all that money? the world should have a set limit on home much money you should be able to have based on the size of your family. all exceeded family salary allowances should be put into a fund that goes towards research for medical advances to stop the illnesses that kill millions of people, space exploration to find possible other unknown sources of energy in the universe. developing better trade routes for food, supplies, and other items some countries cannot produce. start building cities in the sky to help the overpopulated countries to have the opportunity co-exist with developed nations to better their education and quality of life. With the education comes more advanced technology that will revolutionize the world and make surving the next couple of centuries possible. with the technology comes ways to cut down on pollution, crime, deaths, healthcare, the list goes on. the countries that are developed and have resources needed to diminish the military and have the millions have men and women fighting each other from countries around the world turned into one force that will work together to find ways to aid those who are in need. the force could be used to for a number of things including building new cities, farms, non-hazordous energy plants that transform air and water into massive energy banks that can be stored underground below cities or in a elevated storage facility that is hovering over a city to be used as a power source for large scale cities. i could go on, but the world isn’t ready for this kind of large scale change, it is to busy fighting wars over land, power, natural resources, and who has a bigger budget. i can only hope that one day we can live together in peace and work together to improve our lives and our neighbooring peoples lives.

Why don’t we utilize the heating power of volcanoes to make thermal electric power stations?

Turning the generator makes electricity, generator is turned by turbine, and turbine is turned by force: the force is either water from waterfalls or steam. Boiling water creates steam. Water is boiled by coal, natural gas or atomic power. Why don’t we use the heat form volcanoes? This question is for scientists, who can think of a way utilize that wasted heat.

why isnt anyone using magnet powered turbines?

I mean the instruments like windmills in principle, but instead of using wind, they use the opposing force of magnets to make the generator turn. They have been proven time and again, (I even heard of big name people getting into it) but no one is using the principle or even giving it anymore attention?! What gives..?
here is a company link that had a video with a magnetic generator, i can find the video anymore, but here is their link.

http://www.befreetech.com/techpage.htm

for those who are concerned, dont wory, i checked this site with siteadvisor.com, so it is safe. Also, to the pest of my knowlage, tis site is legite(real).

what dose it mean when you dream about bulls?

i had a dream about a bull or water buffalo… it was full of force and power it saw me from across the flied and begain to charge after me… what dose this aminal symblize?