Fifty points ?

according to the information in the table, which type of glass is unknown d?

unknown d= si, o, na, ca, al, mg
contains plastic= no
exposed to heat= no visible change
high impact= breaks into tiny squares

a= ordinary soda-lime glass

b= heat-tempered soda-lime

c= laminated soda-lime glass

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.