Analyzing Gravitational Data Quick Check - 10th grade connexus physical science

these are correct as of 2/2/23 :)

1. Melissa is working on the roof of her house. She drops a hammer and a nail. Why do both objects hit the ground at the same time?
💗- Earth’s gravity causes both objects to fall at the same rate.

2. Which of the following statements about gravitational mass is true?
💗- Gravitational acceleration is irrespective of mass.

3. Two objects fall from an apartment window sill at the same time. Object 1 lands on the sidewalk in 3.6 seconds. Object 2 lands on the sidewalk in 3.3 seconds. What can be concluded about the objects?
💗- Object 1 has more surface area than Object 2.

4. A company uses drones to fly food to people in regions that have experienced natural disasters. The food is packed in boxes that are attached to parachutes. How can the company change the design of its parachute to reduce the number of boxes that are damaged when they hit the ground?
💗- The company can design a parachute with more surface area.

5. Students want to design an experiment to study gravity. They decide they will drop four objects with the same mass from the top of their school’s bleachers. They will time how long each object takes to reach the ground. How can they improve confidence in the experiment’s results?
💗- Drop each object 10 times and use the average of each object’s fall times.

hope this helped <3

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