Technician A says the Schrader-type service valve is automatically opened when the service hose is installed. Technician B says the Schrader-type service valve is automatically closed when the service hose is removed. Who is correct?
A. Technician A
B. Technician B
C. Both Technician A and B
D. Neither Technician A nor B

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

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j