The figure shows the position of an object (moving along a straight line) as a function of time. Assume two significant figures in each number. Which of the following statements about this object is true over the interval shown?

The object is accelerating to the left.

The object is accelerating to the right.

The average speed of the object is 1.0 m/s.

The acceleration of the object is in the same direction as its velocity.

Two objects are thrown from the top of a tall building and experience no appreciable air resistance. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit the street?

They are traveling at the same speed.

The one thrown down is traveling faster.

The one thrown up is traveling faster.

Quiz

Aiyana Harr 2 perguntas

Fazer o quiz

1The figure shows the position of an object (moving along a straight line) as a function of time. Assume two significant figures in each number. Which of the following statements about this object is true over the interval shown?
1. AThe object is accelerating to the left.
2. BThe object is accelerating to the right.
3. CThe average speed of the object is 1.0 m/s.
4. DThe acceleration of the object is in the same direction as its velocity.
2Two objects are thrown from the top of a tall building and experience no appreciable air resistance. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit the street?
1. AThe one thrown down is traveling faster.
2. BThe one thrown up is traveling faster.
3. CThey are traveling at the same speed.