Arocket moves upward, starting from rest with an acceleration of 25.4 m/s^2 for 3.39 s. it runs out of fuel at the end of the 3.39 s, but does not stop. how high does it rise above the ground? answer in units of m.

Aregular polygon has angkes of size 150° each.how many side has the polygon

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".