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ZanzabumX [31]
3 years ago
13

Do wormholes exist ?? is it possible to traverse to the other side of the universe ?

Physics
1 answer:
Nastasia [14]3 years ago
8 0
Black holes is exists
Black holes is highly gravitional wave field in space
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A small compact car collides with a sticks to a very large SUV. Which statement about the momentum involved in the collision is
Darina [25.2K]

Answer:A

Explanation:Actually it’s no A i actually don’t know it, I’m just doing this because I have to do it.

8 0
3 years ago
Which has zero acceleration?
Llana [10]

At rest, when travelling at a constant speed, and when in mechanical equilibrium, there is no acceleration and answer choice D is correct.

<h3>How would you define acceleration?</h3>

In mechanics, acceleration describes the rate at which a driving object's velocity changes over time. They are accelerations and vector quantities. The direction of an object's acceleration is determined by the direction of the net force acting on it. Depending on whether an object is moving faster, slower, or in a different direction, its velocity may change. Examples of acceleration include a falling apple, the moon orbiting the earth, and a car that has stopped at a stop sign. The car is positively accelerating if the speed is increasing. As the car slows down, its speed decreases. A decline in speed is referred to as negative acceleration. In both situations, the car is traveling ahead, yet one has a positive acceleration and the other a negative one.

To learn more about acceleration, click here:

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3 0
2 years ago
What is a simple pendulum?
soldier1979 [14.2K]

Answer:

A pendulum is weight suspended from a pivot so that it can swing freely

8 0
4 years ago
An electron (charge = –1.6 x 10–19 C) is moving at 3.0 x 105 m/s in the positive x direction. A magnetic field of 0.80 T is in t
Marta_Voda [28]

Answer:

F = 3.84*10^-34N ^j

Explanation:

In order to calculate the magnetic force on the electron you use the following formula:

\vec{F}=q\vec{v} \ X\ \vec{B}       (1)

q: charge of the electron = -1.6*10^-19C

B: magnitude of the magnetic field = 0.80T

v: speed of the charge = 3.0*10^5 m/s

The direction of the motion of the electron is in the +i^ direction (+x direction). The magnetic field is in the +^k direction (+z direction).

The cross product between these unit vectors, by taking into account the minus sign of the charge, is given by:

-^i X ^k = ^j

The magnetic force is in the ^j direction (+y direction).

The magnitude of the magnetic force is:

F=qvB=(1.6*10^{-19}C)(3.0*10^5m/s)(0.80T)=3.84*10^{-34}N

The magnetic force on the electron has a magnitude of 3.84*10^-34N in the +y direction

7 0
3 years ago
The ____ is a line drawn at a right angle to a barrier. a. normal c. node b. ray d. wave front
Natalija [7]

Answer:

a. normal

Explanation:

In the field of physics the normal is a line drawn at a right angle to a barrier. In other words the normal line is the line that is drawn perpendicular (right angle, 90 degrees) to the reflective surface of a mirror, or the particular boundary in which refraction occurs at the point of incidence of a light ray. This can be seen in the picture attached below.

5 0
3 years ago
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