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
weeeeeb [17]
2 years ago
5

The equations for calculating both the electric force and the gravitational force are above. Their equations are very similar. W

hat is an important difference between these two forces?
A The electrical force is measured in coulombs; the gravitational force is measured in newtons.

B The electrical force between two charged objects will always be weaker than the gravitational force between them.

C The gravitational force decreases with the square of the distance between the objects; the electrical force increases with the square of the distance between the objects.

D Electrical forces can be attractions or repulsions; gravitational forces can only be attractions.
Physics
1 answer:
lbvjy [14]2 years ago
4 0

A, B, and C are hilarious. D is correct.

Charges can be positive or negative, so a pair of charges can be alike or opposite. But so far, we've never seen a negative mass.

You might be interested in
Example of the word médium ?
Ira Lisetskai [31]
I am the medium one that in the family
4 0
3 years ago
How to find density of a gas.
antoniya [11.8K]

Answer:

Subtract the mass of the cylinder from the mass of the cylinder when it contains gasoline. This is the mass of the gasoline. Divide this figure by the volume, 100 ml, to get the density.

3 0
2 years ago
A 69 kg zebra is traveling 7 m/s east. What is the zebra’s momentum? kg-m/s
Hitman42 [59]
Linear momentum is the product of mass and velocity. In this case, it is simply:
69\times 7 = 483 kg\cdot m/s
6 0
2 years ago
A single strain gage has a nominal resistance of 120 ohm. For a quarter bridge with 120 ohm fixed resistors, strain gauge factor
natita [175]

Answer:

Output voltage is 1.507 mV

Solution:

As per the question:

Nominal resistance, R = 120\Omega

Fixed resistance, R = 120\Omega

Gauge Factor, G.F = 2.01

Supply Voltage, V_{s} = 3\ V

Strain, \epsilon = 1000\times 10^{-6}\ strain

Now,

To calculate the output voltage, V_{o}:

WE know that strain is given by:

\epsilon = \frac{(R + R')^{2}V_{o}}{RR'V_{s}\times G.F}

Thus

V_{o} = \frac{RR'V_{s}\epsilon \times G.F}{(R + R')^{2}}

Now, substituting the suitable values in the above eqn:

V_{o} = \frac{120\times 120\times 3\times 1000\times 10^{-6}\times 2.01}{(120 + 120)^{2}}

V_{o} = 1.507\ mV

6 0
3 years ago
A transformer has 100 turns in its primary coil and 75 turns in its secondary coil. If the input voltage is 12.0 V, what is the
Sindrei [870]
Is 54 por que es igual
7 0
2 years ago
Other questions:
  • Match each wave characteristic to its description.
    13·2 answers
  • A car accelerates uniformly from rest to a speed of 56.8 km/h (15.8 m/s) in 10 s. find the distance the car travels during this
    8·1 answer
  • How to do this problem
    12·2 answers
  • In fission reactions, how must the binding energy per nucleon vary? a. The binding energy per nucleon remains constant as atomic
    10·2 answers
  • Spot the dog is running after a ball.In 22m,he accelerates at a constant rate,and his velocity increases from 5.0m/s to 11m/s. W
    9·1 answer
  • Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an al
    14·1 answer
  • ln the constellation of Orion, you can see a group of stars and other objects that appear in the shape of a sword. Ln the middle
    5·1 answer
  • An electron is moving directly toward you in a horizontal path when it suddenly enters a uniform magnetic field that is either v
    15·1 answer
  • Match the variables with quantities
    14·1 answer
  • Name two everyday examples in which stored elastic potential energy is made use of. In each case state the energy transfer which
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!