You toss an apple across the room to a friend. Which of the following statements is true about the apple at the top of its trajectory?

Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.

Gunpowder residue is most likely to show up where on a shooters hands

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?