Homework Statement
So there 2 boxes of nails being lifted at a construction site and one box is 20 kg and the other 10 kg. and the plank tilts towards the heavier box. if the coeficient of static friction is 0.4 draw a FBD for each box of nails and use it to calculate the angle at which...
Since the Earth rotates from west to east, rockets are launched from west to east This is done to aid in increasing the velocity of the rocket because the relative velocity becomes the velocity of the rocket + the velocity of the Earth thus giving the rocket a higher velocity. What this entails...
Homework Statement
A ladybug with a velocity of 10 mm/s [W] crawls on a chair that is being pulled with a velocity of 40 mm/s [40 degrees N of W]. What is the velocity of the ladybug relative to the ground?
Homework Equations
The Attempt at a Solution
finding the y-component...
Homework Statement
so there's a 6 kg rock spinning in a circle with a string that can with stand a maximum tension of 75 and a radius of 1.5m
and i need to find the maximum speed before the string will breakHomework Equations
Fnet=ma
a=4\pi2R/T2
The Attempt at a Solution
so Fnet =ma and a =...
but i thought it would only SQRT if both sides have an exponent of 2 to get rid of the 2, because what i do to one side i have to do to the other do i not?