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Alexeev081 [22]
2 years ago
9

Date: 12-3-21 4. The momentum of a 5-kilogram object moving at 6 meters per second is

Physics
2 answers:
Dafna11 [192]2 years ago
6 0
30 kg•m/s

p = mv
p = 5kg • 6m/s
p = 30 kg•m/s
ASHA 777 [7]2 years ago
5 0

Answer

30 kg . m/sec

Explanation:

mark me as brainliest!

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Through what vertical height is a 50 N object moved if 250 J of work is done lifting it against the gravitational field of Earth
zimovet [89]

5m

Explanation:

Given parameters:

Weight of object = 50N

Work done in lifting object = 250J

Unknown:

Vertical height = ?

Solution:

The work done on an object is the force applied to lift a body in a specific direction.

   Work done = force x distance

  Weight is a force in the presence of gravity;

  Work done = weight x height of lifting

Height of lifting = \frac{work done }{weight}

 Height of lifting = \frac{250}{50} = 5m

The vertical height through which the object was lifted is 5m

learn more:

Work done brainly.com/question/9100769

#learnwithBrainly

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3 years ago
What do scientist use to determine the temperature of a star
REY [17]

Color is what scientist use to determine the temperature of a star!

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4 0
3 years ago
A passenger on a Ferris wheel moves in a vertical circle at a constant speed. Are the forces on her balanced?
vovikov84 [41]

C.  The force is a constant change,  because her position on the Ferris wheel will constantly change.  I believe this is the answer, but use sources to double check.  I might use different vocab. then your teachers.  

6 0
3 years ago
A player holds two baseballs a height h above the ground. He throws one ball vertically upward at speed v0 and the other vertica
Degger [83]

Answer:

a)  v = √(v₀² + 2g h),    b)      Δt = 2 v₀ / g

Explanation:

For this exercise we will use the mathematical expressions, where the directional towards at is considered positive.

The velocity of each ball is

ball 1. thrown upwards vo is positive

        v² = v₀² - 2 g (y-y₀)

in this case the height y is zero and the height i = h

        v = √(v₀² + 2g h)

ball 2 thrown down, in this case vo is negative

         v = √(v₀² + 2g h)

The times to get to the ground

ball 1

         v = v₀ - g t₁

         t₁ = \frac{v_{o}  - v }{ g}

ball 2

         v =  -v₀ - g t₂

         t₂ = -  \frac{v_{o}  + v }{ g}  

From the previous part, we saw that the speeds of the two balls are the same when reaching the ground, so the time difference is

       Δt = t₂ -t₁

       Δt = \frac{1}{g} \ [(v_{o} - v)  - ( - v_{o}  - v) ]

       Δt = 2 v₀ / g

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3 years ago
Which statement is TRUE concerning the particle arrangement of a solid
Anni [7]
It's packed together
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3 years ago
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