The position of a particule is moving along the x-axis is given by x=7.8 + 9.2t - 2.1t³ where x in meter and t in second
a)what is the velocity at t=3.5
b)is the velocity constant or continuous?
c)what is the displacement of the particle after 3 seconds

Question 9: use your experiences from questions 6, 7, and 8 to you state a general rule for identifying the three declination ranges given the observer's latitude.

With these questions , 15 pts & brainliest

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)