Elsa is studying for her psychology exam with the TV on in the background. Research on the effects of divided attention suggests that watching TV while studying will Elsa's exam performance.

Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s

Which articulations allow for greatest range of motion?

Could we see a galaxy that is 20 billion light-years away?