Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 0.825 m and finds that it makes 397 complete oscillations in 546 s. the amplitude of the oscillations is very small compared to the pendulum’s length. what is the gravitational acceleration on the surface of this planet? answer in units of m/s 2

Is the time in tennessee the same as florida

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?