You have been abducted by aliens and find yourself on a strange planet. fortunately, you have a meter stick with you. you observe that, if the stick oscillates around one end as a physical pendulum, it has a period of 0.85 s. what is the acceleration of gravity on this planet? a 9.8 m/s2 b cannot be calculated without knowing the mass of the stickc 36 m/s2 d 18 m/s2 e 27 m/s2

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m