A railroad handcar is moving along straight, frictionless tracks with negligible air resistance. In the cases that follow, the car initially has a total mass (car and contents) of 150 {rm kg} and is traveling east with a velocity of magnitude 5.00 {rm m}/{rm s}. Find the final velocity of the handcar in each case, […]
Sample of water with mass of 45.og and 55.0J is heated to find T of 33.0 . At what temperature did water started at?
Why do organic fruits and vegetables cost more than “normal” fruits and vegetables? explain in details please
A commercial white vinegar solution is 5.0% by mass acetic acid in an aqueous solution with density 1.01 g/mL Calculate the molar (mol/L0 concentration of the vinegar.
Locate the following metals on the periodic table: Magnesium, Potassium, and Sodium. Rank these metals in order of their expected from most active to least active.
To what volume must 518 mL of 13 MCa(OH)2 solution be diluted to make a 3 MCa(OH)2 solution?
2) O 3) F 4) C 8. how many replaceable hydrogen s in H3PO4? 9.what is meant by molality? 10. what are the units of Concentration?
how much work is done in lifting a 2kg box to a shelf 1.7m above the floor?
what is stable electronic configuration of Chromium?
1.whats id the first man made element in periodic table?