Questions asked
Eduard Sanchez
Numerade educator
A cannon ball is launched at an angle of 48° with the ground. The cannon ball is ejected at a speed of 17.66 m/s. It hits a target that is 30 meters away at a height of 1.75 m. What is the time for the ball to reach the target?
David Collins
what is the mass in grams of epsom salt (MgSO4) in 2.01x^23 formula units of epsom salt (MgSO4)?
How many particles are there in 5.00g of Chile saltpeter?
Christopher Dzorkpata
Oil spread on water to form a firm about 1.0 x 10^2 nm thick. How many kilometers of ocean will be covered by the slick formed when one barrel of oil is spilled ( 1 barrel= 31.5 US gal ) ?
Pritesh Ranjan
From their density values. Decide wether each of the substance will sink of float when placed in sea water, which has a density of 1.025 g/mL
Akash Goyal
A gold-colored ring has a mass of 18.9 grams and a volume of 1.12mL. Is the ring pure gold? (The density of gold is 19.3 g/mL.)
Aparna Shakti