Which object would be considered to be in free fall?

one that experiences both friction and centripetal force

one that is truly weightless

one that is slowed down by air resistance

one with only gravity acting upon it

A runner starts from rest and accelerates uniformly to a speed of 8.0 meters per second in 4.0 seconds. The magnitude of the acceleration of the runner is O 32 m/s/s o 9.8 m/s/s O 2.0 m/s/s O 0.50 m/s/s

Which of the following items is most sensitive to increased acidity in the environment? concrete buildings glass windows railroad tracks paved roads

When 2 forces are applied in opposite directions, how do you calculate the net force? A. You find the net force by dividing B. You find the net force by subtracting C. You find the net force by adding D. You find the net force by multiplying

How do we know that water dissolves glue?

What determiners the size if gravitational force?

A 0.60 Kilo gram basketball poses on the rim of a basketball hoop that is 3.0 m high find the potential energy of the ball there (use G=10 N/KG.)

2. What was the role of women as industry increased? A. They gained the vote, B. They became industry leaders, e. They led the household D. They can for government office,

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?