How could a person easily tell which envelope contained four sheets of paper and which contained five sheets without opening the envelopes what assumption did you make in arriving at your answers

If the intensity level at distance d of one trombone is 70 db, what is the intensity level of 76 identical trombones, all at distance d?

The planet most like the earth in size and gravitation is: Mars Jupiter Venus Pluto

Identify each of these substances as acidic, basic, or neutral. pure water, pH = 7.0 lake water, pH = 6.5 baking soda solution, pH = 9 soapy water, pH = 12 right answer gets brainliest

We did not find results for: c=49.98%, h=5.19%, n=28.85%, o=16.48% the molar mass of caffeine is 194.19 g/mol. find the molecular formula of caffeine

A 50 kg bicyclist, traveling at a speed of 12 m/s, applies the brakes, slowing her speed to 3 m/s. A) How much work did the brakes do? B) If the net force slowing her down is 120 N, over what distance did this take place?

The force of friction on a sliding object is 10n. the applied force needed to maintain a constant velocity is:

What is the best hypothesis to use for this investigation

Quantum physics would most likely be needed to understand the motion of which of the following? A. an atom B. a cell C. a ball D. a galaxy

Sharon throws a 0.20 Kg with an acceleration of 10 m/s/s. (a) What force did she exert on the ball? (b) What force did the ball exert on her?

What are three ways that extra carbon is getting to the atmosphere?