Within 4.0 s of liftoff, a spacecraft that is uniformly accelerating straight upward from rest reaches an altitude
of 4.50 X 102 m [up).
(a) What is the spacecraft's acceleration?

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

J. j. thomson’s experiment disproved the theory that an atom

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.