The strength of the magnetic field of earth at its surface is roughly 0.5 t (tessa) or 5 x 10^-3 t. on the other hand, magnetic resonance imagining (mri) requires a magnetic field of about one tesla.

calculate the strength of the magnetic field at three distances (0.5 cm, 1.0 cm, and 1.5 can) from a straight vertical current-carrying wire with 3 a flowing through it. at approximately what distance does the magnetic field of the wire have the same strength as the magnetic field of earth?

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence

Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.