Asoccer player practices kicking the ball into the goal from halfway down the soccer field. the time it takes for the ball to get to the goal from the time it is kicked averages about three seconds. the soccer field is 90 meters long. the player wants to know the average velocity of the ball. is there enough information to calculate this? a) no, only average speed can be calculated from the distance of 90 meters and the time of three seconds. b) yes, displacement is 45 meters, elapsed time is three seconds, and the direction is toward the goal. c) no, only average speed can be calculated from the distance of 45 meters and the time of three seconds. d) yes, displacement is 90 meters, elapsed time is three seconds, and the direction is toward the goal.
Answers: 1
Physics, 22.06.2019 09:00, edgarsandoval60
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Physics, 22.06.2019 10:00, pantojaiv90
A2k pendulum has a speed of 1 m/s at a height of 1/2 meter
Answers: 3
Physics, 22.06.2019 16:00, LikeIke2859
In which of the following is positive work done by a person on a suitcase
Answers: 1
Asoccer player practices kicking the ball into the goal from halfway down the soccer field. the time...
Mathematics, 18.12.2020 21:40
Physics, 18.12.2020 21:40
Arts, 18.12.2020 21:40
Business, 18.12.2020 21:40