+ 6.3 Quiz (B)
This test/quiz is accepting submissions until Friday, January 29, 2021 at 3:00 pm
Questions 1
Question 1 (1 point)
A roller coaster with a mass of 700 kg has 9000 J of kinetic energy. How fast is going (what is its velocity)?
a
12.85 m/s
b
6.4 m/s
С
5.1 m/s

Three archers each fire four arrows at a target. joe’s four arrows hit at points 10 cm above, 10 cm below, 10 cm to the left, and 10 cm to the right of the center of the target. all four of moe’s arrows hit within 1 cm of a point 20 cm from the center, and flo’s four arrows hit within 1 cm of the center. the contest judge says that one of the archers is precise but not accurate, another archer is accurate but not precise, and the third archer is both accurate and precise. which description applies to which archer? explain

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z