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
givi [52]
3 years ago
11

Name the device used for measuring weight​

Physics
1 answer:
Tpy6a [65]3 years ago
5 0

Answer:

spring  scale

Explanation:

You might be interested in
Elements in the same group/familly of the periodic table are similar in what way
olga nikolaevna [1]
Their chemicals and their reactions, hope I helped
6 0
3 years ago
In a microwave oven, electrons describe circular motion in a magnetic field within a special tube called amagnetron; as you'll l
QveST [7]

Answer:

The magnetic field strength and the electrons' energy are 0.077 T and 0.8906 eV.

Explanation:

Given that,

Diameter = 2.62 mm

Frequency = 2.15 GHz

(A). We need to calculate the magnetic field strength

Using formula of the magnetic field strength

B=\dfrac{2\pi mf}{e}

Where, f = frequency

e = charge of electron

Put the value into the formula

B=\dfrac{2\times3.14\times9.1\times10^{-31}\times2.15\times10^{9}}{1.6\times10^{-19}}

B=0.077\ T

(B). We need to calculate the energy of electron

Using formula of energy

E=\dfrac{1}{2}m(r\omega)^2

E=\dfrac{1}{2}\times9.1\times10^{-31}\times(1.31\times10^{-3}\times2\pi\times2.15\times10^{9})^2

E=1.4249\times10^{-16}\ J

The energy in eV

1 eV=1.6\times10^{-16}\ J

E=\dfrac{1.4249\times10^{-16}}{1.6\times10^{-16}}

E=0.8906\ eV

Hence, The magnetic field strength and the electrons' energy are 0.077 T and 0.8906 eV.

5 0
3 years ago
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion,
kherson [118]

Answer:

3.) 463 J/g

Explanation:

Heat given by the fuel is used to increase the temperature of the water

so it is given as

Q = ms\Delta T

here we will have

m = 250 g

\Delta T = 26.55 - 25

now we also know that

s = 4186

so we have

Q = (0.250)(4186)(26.55 - 25)

Q = 1622.075 J

so 3.5 g fuel gives above energy

so per gram of fuel will have total energy given as

Q = \frac{1622.075}{3.5}

Q = 463.45 J/g

6 0
3 years ago
Can someone please help, ty!
lyudmila [28]

Answer:hypothesis: the plant died of lack  of light,moisture,or water

Explanation:

to test my hypothesis i put a plant in a room at room temp and repeat how i grew it,and observe what went wrong. hope this helps=)

5 0
3 years ago
A force of 500 N acts horizontally on a 10,000 g body. What is its horizontal acceleration
Paladinen [302]
200n because it's 2×5=10so maybe try solving the problem like that ok does that help
8 0
3 years ago
Other questions:
  • - As you ride in a car, both you and the car are moving
    14·1 answer
  • How many unique values of x solve x2 + 4x + 4 = 0?
    14·1 answer
  • Light of wavelength 575 nm passes through a double-slit and the third order bright fringe is seen at an angle of 6.5^degree away
    13·1 answer
  • What the original source of the energy that transfers through the food web to a meat eating animals such as a cat
    9·1 answer
  • What symbol do we use for the resultant?
    12·1 answer
  • Help me plzzzzzzzz with this
    6·1 answer
  • Two point charges, A and B, are separated by a distance of 16.0cm. The magnitude of the charge on A is twice that of the charge
    13·1 answer
  • Ice cube is dropped into a glass of water. Describe the motion of the ice cube and explain why it moves this way
    6·2 answers
  • Which quantity best captures the concept of resistance?
    9·1 answer
  • Diffraction spreading for a flashlight is insignificant compared with other limitations in its optics, such as spherical aberrat
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!