Suppose that a person gets hit by a bus moving at 30 mi/h with a 58,000 lbs of force in the direction of motion. If the mass of the bus is 40,000 lbs and persons is 150 lbs and if the impact lasts only 0.007 seconds. A. Determine the speed of the person at the end of the impact and convert to mi/h.

B. What is the expected speed of the person at the end of the impact and does your finding agree with that expectation?

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.