The magnetic force on a charged particle is in the direction of its velocity if: A. it is moving opposite to the direction of the field B. it is moving perpendicular to the field C. it is moving in some other direction D. never E. it is moving in the direction of the field

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

Consider an air-filled charged capacitor. how can its capacitance be increased?