Matthew is waterskiing. as the boat starts moving, he is at an angle of 8.0° to the right of the boat. the boat applies 250 newtons over the first 50 meters, while the angle stays at roughly 8.0°. what work has the boat done on matthew?

a.1.0 × 104 joules
b.1.2 × 104 joules
c.1.4 × 104 joules
d.1.7 × 104 joules

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.