Every few years, different countries compete in a sailboat race called the America's Cup. The boats sail over the same distance. Besides distance, what else is needed to find out the speed of each boat in the race?(1 point) Responses The time it takes for each boat to finish the race. The time it takes for each boat to finish the race. The skill of the crew of each boat in the race. The skill of the crew of each boat in the race. The combined size of the boats in the race. The combined size of the boats in the race. The wind speed during the race. The wind speed during the race.
The correct answer is:
- The time it takes for each boat to finish the race.
- The skill of the crew of each boat in the race.
- The wind speed during the race.
there is only one answer
My apologies for the confusion. In that case, the correct answer would be:
- The time it takes for each boat to finish the race.
The picture shows a ball rolling up a ramp. Which statement best describes the motion of the ball? (1 point) Responses The speed of the ball is increasing. The speed of the ball is increasing. The speed of the ball is decreasing. The speed of the ball is decreasing. The motion of the ball is constant. The motion of the ball is constant. The motion of the ball is stopping. The motion of the ball is stopping.
The correct answer is:
- The speed of the ball is decreasing.
The graph shows the motion of a horse during the first portion of a race. Which statement is true about the horse's motion? (1 point) Responses The horse increased its acceleration during this portion of the race. The horse increased its acceleration during this portion of the race. The horse maintained a constant velocity during this portion of the race. The horse maintained a constant velocity during this portion of the race. The horse maintained a constant acceleration during this portion of the race. The horse maintained a constant acceleration during this portion of the race. The horse decreased its velocity during this portion of the race.
The correct answer is:
- The horse maintained a constant velocity during this portion of the race.
Which statement is an example of velocity?(1 point) Responses A student walks 20 meters down the street. A student walks 20 meters down the street. A skateboard moves 2 meters per second. A skateboard moves 2 meters per second. A car travels east at 55 kilometers per hour. A car travels east at 55 kilometers per hour. A ball rolls 50 centimeters away from the table.
The correct answer is:
- A car travels east at 55 kilometers per hour.