A pick up truck moving at 32 m/s must come to a stop in 206m to avoid hitting a boulder that has fallen onto the road. How much time does the driver need to avoid the accident?
A rifle is fired up at an angle of 5.5 degrees above horizontal. If the inital velocity of the bullet is 570/s, what will be it's velocity 2.5s after firing?
Given that the primitive basis vectors of a lattice are
a=(a/2)i
b=(a/2)j
c=(a/2)k
Where I,j,k are unit vectors in coordinate system
Determine the bravais lattice
Calculate the volume of the primitive unit cell
The packing ratio is defined as the fraction of the total volume of the cell that is filled by atoms determine the maximum values of this ratio for equal spheres locate at this points of SC BCC FCC And diamond crystal
A window washer drops a brush from a scaffold
on a tall office building.
What is the speed of the falling brush after
3.08 s? (Neglect drag forces.) The acceleration
due to gravity is 9.8 m/s^2.
Answer in units of m/s.