A 2.0 kg box is released from rest at a height yo = 0.25 m on a frictionless ramp. The box slides from the ramp onto a rough horizontal surface with a friction coefficient pe = 0.50.
m
y.
How far does the box slide along the rough surface?
Round answer to two significant digits.

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Heterogeneous mixture with larger particles that never settle is