If the mountain biker's first trail ends just before a steep decline, and the mountain biker decides to continue biking without stopping, the bike will travel downward with
А increasing speed.
B
a constant speed.
decreasing speed
D
a negative speed

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

80cm/s.

24cm/s.

53.3cm/s.