Figure 2.31 shows how the velocity of four cars changed as they travelled along a straight road. Give reasons for your answers to
these questions
(a) Which car was travelling at a steady speed?
(b) Which car was decelerating?
(c) Which car had the greatest acceleration?​

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?