The bus company that your school uses is thinking about changing the material that makes their current fleet of buses because the buses are running into problems with

corrosion, the reaction of metals with oxygen present in air to form metal oxides that

are not structurally sound and are visually unappealing. In addition, the current

construction material is difficult to shape and is not visually attractive. The bus

company has asked your teacher to recommend an alternative material that could be

used to manufacture the next round of buses needed for your school and other schools

in the district. In addition to meeting certain chemical and physical requirements, the

material recommended must also be affordable.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

girl imma just put my comment here because i need a couple point okurrttt

rosa was looking for patterns to predict the products of chemical reactions. she recorded three similar decomposition reactions in the table.she should record 2licl + 3o2.

in the last row of the table. it is the thermal decomposition of chlorate lithium, hence, she should record these products as: lithium chloride ( 2licl ) and oxygen ( 3o2 )   2 > 2 licl + 3o2.