Auniform charge density of 500nc/m^3 is distributed throughout a spherical volume (radius 16cm). consider a cubical (4cm along each edge) surface completely inside the sphere. determine the electric flux through the surface of the cube.

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

What is friction? how does it affect the motion of an object?