A proton with a velocity v = (3.50i – 2.25j + 2.50k) m/s is at a point in a magnetic field where the magnitude of the field is B = (3.00i + 1.50j + 2.00k) T. In unit vector format, what is the proton’s acceleration at this point? (mp = 1.67x10-27 kg)

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force