1) Inhabitants of the fifth planet in a solar system on the other side of the Galaxy measure distance in units called “ladoladelums” and time in units called “forevers”. They observe that, a) all the planets in their solar system are much smaller than their Sun,
b) all planets have nearly circular orbits,
c)the fourth planet is about 32 ladoladelums from their Sun and completes one revolution in about 47 forevers, and
d) the third planet completes one revolution in 13 forevers.
Question: About how far from their Sun does the third planet lie?

the answer is d. 4

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the higher the current the higher the mag field around it the higher the influence on the compass

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards