A ball is thrown straight up in the air. For which situationare both the instantaneous velocity and the accelerationzero?(a) on the way up(b) at the top of the flight path(c) on the way down(d) halfway up and halfway down(e) none of these
Races are timed to an accuracy of 1/1 000 of a second.What distance could a person in-line skating at a speedof 8.5 m/s travel in that period of time?(a) 85 mm(b) 85 cm(c) 8.5 m(d) 8.5 mm(e) 8.5 km
Races are timed to an accuracy of 1/1 000 of a second.What distance could a person in-line skating at a speedof 8.5 m/s travel in that period of time?(a) 85 mm(b) 85 cm(c) 8.5 m(d) 8.5 mm(e) 8.5 km
A ball is thrown straight up in the air. For which situationare both the instantaneous velocity and the accelerationzero?(a) on the way up(b) at the top of the flight path(c) on the way down(d) halfway up and halfway down(e) none of these