Q4. 25 The international Space the earth How long does it orbit?. 22 find the force law for a central force field that allows move particle to logarithmic spiral orbit given by 'reand'd' are Constit. YE . orbits altitude of about 340km. take to complete one r central where Determine r(t) and olt). 9f r=kexo. what is the total energy using. 22 and 23 force of the orbit Jata, is defined to be force that points radially and whose magnitude depends only on r. That is fir) = f(rs, show that central force is conservative.