The gravitational field in a region is given b 1 (4i+j)nkg 1. work done by this field is zero whena particle is moved along the line (a) x + y 6 (c) y + 4x 6 (b) x +4y 6 (d) x - y

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.