subject

Physics, 16.01.2020 22:31 dkb

Two masses are joined by a massless string. a 30-n force applied vertically to the upper mass gives the system a constant upward acceleration of 3.2 m/ s 2 . if the string tension is 18 n, what are the two masses?

ansver

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 05:30, ArielA13

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Answers: 1

Physics, 22.06.2019 10:30, laura52677

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

Answers: 1

Physics, 22.06.2019 16:30, stodd9503

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db

Answers: 3

Physics, 22.06.2019 17:00, cia196785920

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.

Answers: 3

You know the right answer?

Two masses are joined by a massless string. a 30-n force applied vertically to the upper mass gives...

Questions in other subjects:

Konu

Engineering, 13.09.2019 22:30

Convert each of the following to three significant figures: (a) 20 lb. ft to n. m, (b) 450 ib/ft^3 to kn/m^3, and (c) 15 ft/h to mm/s....

Konu

Engineering, 13.09.2019 22:30

Two particles have a mass of 8 kg and 12 kg, respectively. if they are 800 mm apart, determine the force of gravity acting between them. compare this result with the weight of each...

Konu

Engineering, 13.09.2019 22:30

Awater tank is emptied through a pipe with an outlet 5m below the water surface level. what is the exit velocity? a) 2.1m/s b) 9.9 m/s c) -12.3m/s d)-4.8m/s e) 15.3m/s...

Konu

Engineering, 13.09.2019 22:30

The surface of a 15-cm-diameter sphere is maintained at a temperature of 85°c. if the sphere is enclosed in a large room at 20°c, determine the heat transfer from the sphere. assum...

Konu

Engineering, 13.09.2019 22:30

Acubic crystal structure has only 3 atoms fully belong to its unit cell. if the radius of the atom is 0.314 of the unit cells size (e. g.r=0.314a) calculate the atomic packing fact...

Konu

Engineering, 13.09.2019 22:30

If a two-centimeter thick spherical shell of stainless-steel is placed on the thorium sphere, determine the change in the maximum thorium temperature and the surface temperature of...

Konu

Engineering, 13.09.2019 22:30

Given the following system, with values of jo = 8 kg-m2, k = 15 kn/m, l= 2.5 m, c1 = 50 n-s/m and c2 = 18 n-s/m. using lagrange equation, find the ceqin 2 decimal points, according...

Konu

Engineering, 13.09.2019 22:30

Given a set of at least two diffusion coefficient values and their corresponding temperatures develop a spreadsheet that will allow the user to calculate the following: (a) the ac...

Konu

Engineering, 13.09.2019 22:30

Aproduct whose annual demand=80,000 units is produced on a manual assembly line. the line operates 50 wks/year, 5 shifts/wk, and 7.5 hr/shift. work content time 48.0 min. line effi...

Konu

Chemistry, 13.09.2019 22:30

Amileage test is conducted for a new car model. thirty randomly selected cars are driven for a month and the mileage is measured for cach. the mean mileage for the sample is 28.6 m...

More questions: Physics Another questions