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podryga [215]
3 years ago
6

The uncertainty principle states that:

Physics
2 answers:
STALIN [3.7K]3 years ago
5 0
<span>The uncertainty principle states that the position and momentum
of a particle cannot be precisely determined.</span>
photoshop1234 [79]3 years ago
3 0

Answer:

The position and momentum of a particle cannot be precisely determined.

Explanation:

By the principle of uncertainty given by great scientist Heisenberg we know that for fast moving particles it is not possible to find the position and the momentum simultaneously.

so we can say it mathematically as

\Delta x . \Delta P \geqslant \frac{h}{4\pi}

so here in above equation

\Delta x = uncertainty in position

\Delta P = uncertainty in momentum

so it is not possible to find position and momentum simultaneously so we can find the range from above relation.

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Find the angle between forces of 41 pounds and 68 pounds given a magnitude of 87 pounds for the resultant force. (Hint: Write fo
dedylja [7]

Answer:

\theta = 76.9 degree

Explanation:

As we know that the resultant of two vectors is given as

R = \sqrt{F_1^2 + F_2^2 + 2F_1 F_2 cos\theta

here we know that

R = 87 Lb

F_1 = 41 Lb

F_2 = 68 Lb

now we have

87 = \sqrt{41^2 + 68^2 + 2(41)(68)cos\theta

87^2 = 6305 + 5576 cos\theta

\theta = cos^{-1}(\frac{1264}{5576})

\theta = 76.9 degree

7 0
3 years ago
Several students measured the motion of a remote control car. They recorded the data in the following chart.
Rainbow [258]

A)At 5.5sec car is at rest because the distance is same as at 5.0sec .

B) At t= 2sec where the distance covered by a car is 20m.

The speed of the car is 10m/s

C) Average speed

4/Savg= 0.14+6.4+5.8+5p.27

Savg = 0.227 m/s



What is non uniform motion ?

When the object is moving with unequal distance along with unequal time intervals.

to learn more about Motion click brainly.com/question/18345181

#SPJ9

5 0
1 year ago
Two identical objects are moving directly toward one another at the same speed v. ~v −~v m m What is the total kinetic energy of
Natalka [10]
<span>Answer: Correct answer is just add the two kinetic energies; E = (1/2)mv^2 + (1/2)mv^2</span>
5 0
3 years ago
Read 2 more answers
5) A person holds a 1.7 kg bucket and lets it move down at
Elena L [17]

Answer:

12.5J

Explanation:

Given parameters:

Mass of bucket  = 1.7kg

Height  = 75cm  = 0.75m

Unknown;

Work done on the bucket by the person  = ?

Solution:

To solve this problem, we use the work done equation;

  Work done  = force x distance  = mgh

 m is the mass  

  g is the acceleration due to gravity

  h is the height

Now, insert parameters and solve ;

     Work done  = 1.7 x 9.8 x 0.75  = 12.5J

7 0
3 years ago
A dogsled team is shown pulling a man on a sled. Below the picture is a free body diagram with 4 force vectors. The first vector
Scorpion4ik [409]

Answer:

yes

Explanation:

its on edg.

8 0
3 years ago
Read 2 more answers
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