Recent content by flower123

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    Calculating Acceleration and Final Speed of a Car with a Given Force and Mass

    Really desperate for some help with this, Thought i had i cracked and quite clearly i don't Im very bad with explaining how i arrived at a answer as i make such a mess of my answers and some time just guess as i can't seem to figure it out! Please help . What is the magnitude of the...
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    Calculating mass of inner core in Kg when i only have the density

    the question reads... using the information calculate the mass of the Earth's core in Kg applying the equation mass= density x volume. show all working and and include units. give answer in appropriate scientific notation and to an appropraite significant figures. So i have used the...
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    Calculating mass of inner core in Kg when i only have the density

    what else would i need? Radius? The radius is 1221km sorry for the rush in my posting and leaving out the rather important bits!
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    Calculating mass of inner core in Kg when i only have the density

    Homework Statement SO i don't have the radius or the volume but i have an estimate of the density 14.5 10³kg m-3 Im really uncertain of the formula needed to A. get the radius without the volume and vice versa. PLEASE HELP! Thanks in advance! Homework Equations The Attempt at a...