A projectile is launched from the top of a cliff of unknown height. The initial velocity vector is 200 m/s at an angle of 30 degrees above the horizontal. After 1 second of flight, what are the x and y components of the projectile’s acceleration?

Which transition by an electron will release the greatest amount of energy? oa ob oc od

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.