In trial iii, a different, looser, spring is used; its force constant is 23.1 n/m. the suspended mass is the same as the one in trial i: 0.400 kg. theoretically speaking, what period of oscillations should we expect, based on these values of k and m? enter your answer in seconds with two significant figures.

T=0.827s

Explanation:

The period of a spring can be calculated with the equation

But we know as well that w is given by,

Replacing,

So we have that

a.

explanation:

answer: the correct answer is 1.

explanation: there are various process in which a radioactive nuclei decays:

1) alpha decay: in this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. the mass number is reduced by 4 units.

2) electron capture: in this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. simply, a proton and an electron combines together to form a neutron. mass number does not change in this process.

3) gamma ray emission: it is a decay process in which an unstable nuclei gives excess energy by a spontaneous electromagnetic process. this decay releases . this process does not change the mass number.

4) positron emission: it is a type of decay process, in which a proton gets converted to neutron and an electron neutrino. this is also known as -decay. in this the mass number remains same.

from the above information, we see that only alpha-decay is producing a change in the mass number of the nucleus.