1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
labwork [276]
4 years ago
9

1. A densidade do nitrogênio nas condições normais de temperatura e pressão é igual a 1,24507 kg/m³. Qual a massa de 200 cm³ de

nitrogênio em lbm?
Physics
1 answer:
Levart [38]4 years ago
3 0

Answer:

5.49×10⁻⁴ lbm

Explanation:

Convert volume to m³.

V = (200 cm³) (1 m / 100 cm)³ = 0.0002 m³

Find mass in kg.

m = ρV

m = (1.24507 kg/m³) (0.0002 m³)

m = 0.000249 kg

Convert mass to lbm.

m = (0.000249 kg) (2.205 lbm/kg)

m = 0.000549 lbm

m = 5.49×10⁻⁴ lbm

You might be interested in
PLEASE HELP!!!!!!!!Move on to electric force. Blow up the two balloons and knot them. Then tie a thread onto each balloon. Suspe
Triss [41]

Answer:

they attract

Explanation:

8 0
3 years ago
Read 2 more answers
A car on a straight road starts from rest and accelerates at 1.0 meter per second? for 10. seconds.
Marysya12 [62]

Answer:

11 or 10 meters a second

Explanation:

pretty sure thats my explanation "pretty sure" like my confidence? mark me brainliest bad at spelling lol

7 0
2 years ago
Determine the accelerations that result when a 45 N net force is applied to 3kg object
svp [43]

Answer:

acceleration is 18

Explanation:

45N/3kg=18

4 0
3 years ago
Read 2 more answers
50 POINTS! A Boy throws a ball horizontally a distance of 22m downrange from the top of a tower that is 20.0m tall. What is his
DerKrebs [107]

The ball's horizontal and vertical velocities at time t are

v_x=v_{xi}

v_y=v_{yi}-gt

but the ball is thrown horizontally, so v_{yi}=0. Its horizontal and vertical positions at time t are

x=v_{xi}t

y=20.0\,\mathrm m-\dfrac g2t^2

The ball travels 22 m horizontally from where it was thrown, so

22\,\mathrm m=v_{xi}t

from which we find the time it takes for the ball to land on the ground is

t=\dfrac{22\,\rm m}{v_{xi}}

When it lands, y=0 and

0=20.0\,\mathrm m-\dfrac{9.8\frac{\rm m}{\mathrm s^2}}2\left(\dfrac{22\,\rm m}{v_{xi}}\right)^2

\implies v_i=v_{xi}=11\dfrac{\rm m}{\rm s}

7 0
3 years ago
The force required to drag several objects across a floor was measured. Calculate the µK for these objects.
olganol [36]

Answer:

Explanation:

Case-A

Block weight W=150\ lb

Friction Force f=30\ lb

and friction force is

f=\mu _kN

where N=normal reaction (Usually equals to weight)

\mu _k=\frac{30}{150}

\mu _K=\frac{1}{5}=0.2

Case-B

Block weight W=20\ N

Friction Force f=5\ N

\mu _k=\frac{f}{N}

\mu _k=\frac{5}{20}=\frac{1}{4}

\mu _k=0.25

Case-C

Block weight W=1500\ lb

Friction Force f=60\ lb

\mu _k=\frac{f}{N}

\mu _k=\frac{60}{1500}

\mu _k=0.04

4 0
4 years ago
Other questions:
  • Water, initially saturated vapor at 4 bar, fills a closed, rigid container. The water is heated until its temperature is 360°C.
    12·1 answer
  • What is the total and average of 4, 6, 8, 5, 7?
    12·1 answer
  • Two solutions, initially at 24.60°C, are mixed in a coffee cup calorimeter (Ccal = 15.5 J/°
    15·1 answer
  • An upward force of 27.5 n is applied to a string to lift a ball with a mass of 2.5 kg.
    12·1 answer
  • Which of the following would not be considered a projectile?
    14·1 answer
  • One mol of a perfect, monatomic gas expands reversibly and isothermally at 300 K from a pressure of 10 atm to a pressure of 2 at
    5·1 answer
  • I need help with physic worksheet!!! What are the answers and for the ones i filled out, are they correct????!!!!
    14·1 answer
  • Your dog is running around the grass in your backyard. He undergoes successive displacements, 3.60 m south, 8.46 m northeast, an
    9·2 answers
  • What will the wire's resistance be if it is stretched to twice its original length without changing the volume of the wire?
    13·1 answer
  • While Sheila’s parents are at gymnastics lessons, Sheila decides to take their PT Cruiser out for a spin. She speeds up at a con
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!