A 2-kg bowling ball is 2.5 meter off the ground on a post when it falls just before it reachers the ground it is traveling 7 m/s. Assuming that there is no air resistance wich statement is true

Imagine the water is leaking from a container, at a rate of 1.2 ml/hour. If this rate does not change, how many liters of water will be lost in a week?

A student calculates the density of iron as 6.8 g/cm3 using lab data for mass and volume. A handbook reveals that the correct value is 7.39 g/cm3. What is the percent error?

Which list of radioisotopes contains an alpha emitter, a beta emitter, and a positron emitter? (1) C-14, N-16, P-32 (2) Cs-137, Fr-220, Tc-99 (3) Kr-85, Ne-19, Rn-222 (4) Pu-239, Th-232, U-238

What must be satisfied for a hypothesis to be useful

Which of the molecules and polyatomic ions cannot be adequately described using a single lewis structure? hcn ch2cl2 o3 of2 co2-3 nh+4?

TRY H Vele Elements y Llectron Configurations for P-Block Use the periodic table to determine the electron configuration for aluminum (AI) and arsenic (As) in noble-gas notation A [Ar]352301 [He1232206352301 [Ne]3:23p1 [Ne]352302

If you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.

If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas?

A student measured 1.0 kcal when the student combined 99.7 mL of 3 M HCl with 100 mL of 3 M NaOH. Given that the reaction is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O what was ΔHneutralization per mole of water?

Which is the odd one brass, copper, aluminum, iton, sapphire