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Juliette [100K]
3 years ago
14

what relationship must exist between an applied force and the velocity of a moving obkect if uniform circular motion is to resul

t
Physics
1 answer:
Leona [35]3 years ago
5 0

Answer:

See explanation

Explanation:

The centripetal force keeps an object moving in a circular orbit at constant velocity. The velocity of an object undergoing uniform motion is always tangential to the circle while the centripetal force is directed towards the center of the circle.

This now implies that the direction of the force acting on a body undergoing circular motion at constant velocity is perpendicular to the direction in which the object is being displaced.

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PLEASE HELP ASAP!!!! A huge thanks to anyone who can help me with 14 problems. I'll do anything to return the favor. All true an
snow_lady [41]
Hello, I see you are in a jam. Lemme help.

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4 0
3 years ago
A proton moves with a velocity of v with arrow = (3î − 5ĵ + k) m/s in a region in which the magnetic field is B with arrow = (î
Allisa [31]

Answer:

The magnitude of the magnetic force this particle experiences is 2.6\times10^{-9}\ N.

Explanation:

Given that,

Velocity v= (3i-5j+k) m/s

Magnetic field B=(i+2j-k) T

We need to calculate the value \vec{v}\times\vec{B}

(\vec{v}\times\vec{B})=3i+4j+11k

We need to calculate the magnitude of the magnetic force this particle experiences

Using formula of magnetic force

\vec{F}=q(\vec{v}\times\vec{B})

Put the value into the formula

\vec{F}=1.6\times10^{-19}\times(3i+4j+11k)

\vec{F}=(4.8i+6.4j+1.76k)\times10^{-19}

|F|=2.6\times10^{-9}\ N

Hence, The magnitude of the magnetic force this particle experiences is 2.6\times10^{-9}\ N.

7 0
3 years ago
g (15 points) Picture taken from problem 13-35. A 2000 kg truck is traveling at 25 meters/second. The driver suddenly hits the b
otez555 [7]

Answer:

Δx = 3.99 m

Explanation:

To determine distance, use kinetic energy

will make it short and easy.  

KE=1/2mv2 and KE=Δxmgμ

 

Set the equations equal to each other

1/2mv2=Δxmgμ            (Note: The masses cancel )

 1/2v2=Δxgμ                  Solve for Δx

where g=9.8  

Δx=v2/(2gμ)                   Δx = 25 / (2 * 9.8 * 0.32)     Δx = 3.99 m

Please let me know if its correct, if not report it so we can correct it.

6 0
4 years ago
One average force has a magnitude that is three times as large as that of
valentinak56 [21]

The time interval in which the larger force act is 1.1 seconds.

<h3>What is impulse?</h3>

The impulse produced by an object is determined from the product of force and time of force of the object.

The impulse experienced by an object is the product of mass and velocity of the object or simply the impulse experienced by object is equal to change in the momentum of an object.

J = Ft

where;

  • F is the applied force
  • t is the time of force acting

The magnitude of the force that produce impulse of 3 Ns for 3.2 seconds is calculated as;

F = J/t

F = (3 Ns) / (3.2 s)

F = 0.94 N

The magnitude of the force that is three times larger is calculated as;

F₂ = 3 x 0.94 N

F₂ = 2.82 N

The time interval of the larger force is calculated as;

t₂ = J/F₂

t₂ = 3 / 2.82

t₂ = 1.1 seconds

Thus, the impulse experienced by an object is a function of force and time of force action.

Learn more about impulse here: brainly.com/question/25700778

#SPJ1

5 0
1 year ago
1. Find the acceleration of an object when the force is 5.2 N and the mass is 2.6 x 10kg.
baherus [9]

Answer:

F=ma

5.2N=26a

a=5.2÷26=0.2

8 0
3 years ago
Read 2 more answers
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