A strong acid is a corrosive substance that can cause skin burns. If a strong acid is accidentally
spilled on your arm, would you wash it with a strong base to neutralize the acid?
A car that weighs 7,000 N is accelerated from rest to a velocity of 25 m/s eastward by a force of 1,000 N. (a) What was the change in momentum of the car? (b) How long did the torce a to change the momentum of the car?
A 500kg car takes a round turn of radius 50m with a Velocity of 36km/hrs . The centripetal force is?
What contribution do ypu think hermeneutics as a philosophy of education can make to your classroom practice
Measurements
A. Where in the world do we find evidence that people measured things?
B. Approximately to what year does this evidence date back?
C. Give details of how measuring was done in that time?
D. Where in caps is this type of measurement covered as a topic?
The average cholesterol content is 180 m deviation of 12 milligrams assume that the variable is normally distributed give a sample of 16 pounds is selected what is the probability that the mean of the sample with the greater than 172 milligrams
Show that the square of an even number is an even number using a direct proof.
Why carbon is said to be the backbone of bio molecules
Which is the odd man out
(A) HCL
(B) NH³
(C) NO²
(D) CO
Distilled water is different from deionized water because
(a) distilled water is a product of condensed steam while deionized is filtered laboratory water
(B) distilled water is always pure and sold in pack while deionized water is not package for consumption
(C) distilled water is a condensed steam but deionized water is produce using exchange resin which absorb undesired ions
(D) distilled water is man made while deionized water is both natural and artificial