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frutty [35]
3 years ago
8

How do initial velocity and final velocity differ

Physics
1 answer:
rodikova [14]3 years ago
8 0
Initial velocity describes how fast an object travels when gravity first applies force on the object. On the other hand, the final velocity is a vector quantity that measures the speed and direction of a moving body after it has reached as maximum acceleration.
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What is the gravitational force between two trucks, each with a masof 2.0x10^4 k
eduard

Answer:

6.67\cdot 10^{-3} N

Explanation:

The gravitational force between two objects is given by

F=G\frac{m_1 m_2}{r^2}

where

G is the gravitational constant

m1, m2 are the two masses

r is the separation between the two masses

In this problem, we have

m_1 = m_2 = 2.0 \cdot 10^4 kg the mass of each truck

r = 2.0 m is their separation

Substituting,

F=(6.67\cdot 10^{-11}) \frac{(2.0\cdot 10^4 kg)^2}{(2.0 m)^2}=6.67\cdot 10^{-3} N

7 0
4 years ago
The breeze during a sunny day at the beach is usually a result of _________________________________________.                    
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C, Land heats and cools faster than water! 
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3 years ago
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Which element, inductor or capacitor, releases its stored energy before it is removed from the circuit?
Georgia [21]

Inductor releases its stored energy before it is removed from the circuit.

<h3>What is an inductor?</h3>
  • A passive two-terminal electrical device known as an inductor, also known as a coil, choke, or reactor, stores energy in a magnetic field as electric current passes through it.
  • Typically, an inductor is made out of insulated wire twisted into a coil. According to Faraday's law of induction, the time-varying magnetic field generates an electromotive force (e.m.f.) (voltage) in the conductor as the current through the coil varies.
  • Lenz's law states that the induced voltage has an opposing polarity (direction) to the change in current that caused it. Inductors so reject any changes in the current flowing through them.
  • Inductance, which is the ratio of voltage to current change rate, is a property of inductors.

To know more about inductors, refer:

brainly.com/question/4425414

#SPJ4

8 0
2 years ago
Kat is creating a model to show how plate movements are linked to the formation of new rocks, and she is trying to place the ste
Jobisdone [24]
1. Tectonic plates move
2. Magma forms and rises through the cracks
3. Lava flows onto the Earth’s surface
4. Lava cools and hardens to form igneous rock
8 0
3 years ago
The orbital period of a satellite is 2 x 106 s and its total radius is 2.5 x 1012 m.
MrMuchimi

Explanation:

Orbital period = 2 x 10⁶s

Total radius = 2.5 x 10¹²m

Unknown:

Tangential speed of the satellite = ?

Solution:

The tangential speed simply expresses the rate at which the distance moves around its orbit with time.

   Since the orbit is taken to be circular;

Tangential speed = \frac{2 x pi x r}{t}

  r is the radius

  t is the time or orbital radius

  Tangential speed = \frac{2 x 3.14 x 2.5 x 10¹²}{2 x10[tex]^{6}}[/tex]

Tangential speed = 7.85 x 10⁶m/s

Learn more:

Circular motion brainly.com/question/2562955

#learnwithBrainly

 

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