The friction between our fingerprints and other objects allows us to pick up those objects True or False

Which is not true about oxygen-17 and oxygen-18?

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four