Homework Statement
if a 50kg car has a static speed of 10m/s, then what is it speed if the mass of the car increased by 20kg(so that the mass of the car now is 70kg)
Homework Equations
The Attempt at a Solution
what kind of equation should i use?
i was wondering if i can use the...
logically i now where the center of mass of each part. its just half of the wide and length isn't it?
is there any equation for to find the center of mass from a single part? or just use the the equation of X=(x1 m1 + x2 m2) / m1+m2 ?
if it is then the m1 and m2 will be the same? and which one...
i don't know an equations for CoM of a body made up of two parts...
i had just start learning center of mass.. but somehow i want to learn finding a center of mass of a body like that... but seems i don't know how... haha
Homework Statement
a toy which have a shape of tank (military vehicle) has a platform of 192mm long, 140mm wide, weight of 2075grams. The canon is 239mm long, 50mm wide, and weight of 400grams. the canon is on top of the platform and being assembled 58mm from the front side of platform.
where...