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
Yakvenalex [24]
3 years ago
10

PLEASE HELP

Physics
1 answer:
maxonik [38]3 years ago
5 0

Answer:

Flashlight

Explanation:

Flashlight use batteries and batteries are dc

You might be interested in
Meteoroid is the term used to describe a solid particle that
LuckyWell [14K]
Is drifting around in space
5 0
3 years ago
Calculate ideal work (in J) when a single stream of 1 mole of air is heated and expanded from 25 C and 1 bar to 100 C and 0.5 ba
NISA [10]

Answer:

-1786.5J

Explanation:

Temperature 1=T1=25°c

Temperature 2=T2=200°c

Pressure P1=1bar

Pressure P2=0.5bars

T=37°c+273=310k

Note number if moles=1

Recall work done =2.3026RTlogp2/P1

2.3026*8.314*310log(0.5/1)

-1786.5J

7 0
3 years ago
Tridil is infusing at 15 ml/hr on an infusion pump. The drug is mixed 50 mg in 500 ml D5W. How many MCG/minute is the patient re
olga nikolaevna [1]

Answer:

patient receiving drug 25 MCG/minute

Explanation:

given data

infusing = 15 ml/hr

drug = 50 mg

D5W = 500 ml

to find out

How many MCG/minute

solution

we know infusing rate is 15 ml/hr = 0.25 ml/min

so 0.25 ml drug content = 50 /500 × 0.25

0.25 ml drug content = 0.025 mg

so here

rate of drug will be 0.025 mg

rate of drug = 0.025 mg = 25 ×10^{-6} gm/min

rate of drug = 25 MCG/minute

so patient receiving drug 25 MCG/minute

8 0
3 years ago
A quantum system has three energy levels, so three wavelengths appear in its emission spectrum. the shortest observed wavelength
daser333 [38]
The wavelength emitted is indirectly proportional to the difference in the change in the energy level. For the wavelength 278 nm the change in energy level is significantly high. Further change in energy level is indicated by 454nm light but the difference in energy level for this wavelength to be emitted  is not greater than the previous one. There is a possibility that these subsystems have now very low energy which should result in wavelengths ranging from 700 to 900 nm. There is another possibility that there is some metastable subsystems in the system which may cause LASER emission.
3 0
3 years ago
What is the displacement of the GBS cross-country team if they begin at the school, run 10 miles, and finish back at the school?
olga2289 [7]

Answer:

0

Explanation:

8 0
3 years ago
Other questions:
  • A 1500-kg car traveling at 30 m/s east collides with a 3000-kg car traveling at 20 m/s south. The two cars stick together after
    14·1 answer
  • Which of the following is used to determine if a star is moving closer to Earth?
    15·1 answer
  • An induced emf is produced inA. a closed loop of wire when it remains at rest in a nonuniform static magnetic field.B. a closed
    15·1 answer
  • When you put a book on a table the table pushes back. which newton law
    7·1 answer
  • What factors does the speed of atoms depend on?
    5·1 answer
  • Jake's toy car is sitting on a smooth, flat surface. This wheel and axle simple machine will remain in the same place because th
    8·1 answer
  • A cell has an emf of 1.5 V and an internal resistance of 0.65 Q.
    8·1 answer
  • The number of perpandicular components of a force is<br>​
    7·1 answer
  • A scientist runs an electric current along a wire. A magnetic compass is placed near the wire. The scientist observes that whene
    8·1 answer
  • A tennis player tosses a tennis ball straight up and then catches it after 1.64 s at the same height as the point of release.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!