Carol went for a jog one morning. First, she traveled 3 miles South of her house, before returning back to her house. What is Carol’s displacement?

What happens to the light rays when they hit the specimen?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

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.