Homework Help: physics

Posted by Anonymous on Saturday, January 16, 2010 at 4:33pm.

A uranium nucleus 238U may stay in one piece for billions of years, but sooner or later it decays into an a particle of mass 6.64×10−27 kg and 234Th nucleus of mass 3.88 × 10−25 kg, and the decay process itself is extremely fast(it takes about 10−20 s). Suppose the uranium nucleus was at rest just before the decay. If the a particle is emitted at a speed of 1.07×107 m/s, what would be the recoil speed of the thorium nucleus?
Answer in units of m/s.

I got -183113.4021m/s, but that was wrong, and so was 183113.4021m/s

physics - bobpursley, Saturday, January 16, 2010 at 5:24pm
Massparticle*velocityParticle=massU234*V
solve for V.

6.46E-27*1.07E7=3.88E-25*V

I agree, your answers are not correct.

Answer this Question

Related Questions

physics - A uranium nucleus 238U may stay in one piece for billions of years, ...
physics - A uranium nucleus 238U may stay in one piece for billions of years, ...
physics - A uranium nucleus 238U may stay in one piece for billions of years, ...
physics - A uranium nucleus 238 U may stay in one piece for billions of years, ...
physics - a uranium-238 nucleus may stay in one piece for billions of years, but...
Physics check - A Thorium-232 absorbs a neutron and the resulting nucleus ...
Chemistry 1046 - Geologists can estimate the age of rocks by their uranium-238 ...
physics - A single uranium atom has a mass of 3.97 x 10^-25 kg. It decays into ...
Physics - The nucleus of a certain type of uranium atom contains 92 protons and ...
Physics - How many uranium atoms are there in 8.4 g of pure uranium? The mass of...

For Further Reading

First Name:
School Subject:
Answer: