Determine the area of one of the lab benches along the side of the room. Include the uncertainty in your result. Explain your method for doing this. Available equipment: Meter stick, your lab homework due today, the experimental uncertainties document, your group’s scientific reasoning skills.

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.