A 2-kg hammer is dropped on to a nail from a height of 0.5 m. If no heat-is generated, What is the maximum energy that can be transferred to the nail?

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

How does an observation about an object differ from an inference about that object

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