1.

Code: Select all

`A uniform ladder of length L and mass m rests against a wall at some angle. There is no friction between the ladder and the wall. If the coefficient of static friction between the ladder and floor is 0.2, what is the smallest angle \theta such that the ladder won't slip? (The floor and wall make a right angle, \theta is the angle between the floor and the ladder) `

**Spoiler:**

2.

Code: Select all

`A block of iron of volume 10^-5m^3 rests on the bottom of a tank of fluid and exerts a force of 0.500N on the bottom of the tank. What is the density of the fluid if the density of Iron is 7.87x10^3kg/m^3?`

**Spoiler:**

Thanks in advance for any help guys.