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Studentka2010 [4]
3 years ago
15

The force is proportional to what measurement

Physics
1 answer:
liberstina [14]3 years ago
5 0
The extension (in metres), if looking at Hooke's law
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You are traveling at 14 m/s for 20 seconds. What is your displacement?
enyata [817]

Velocity = 14 m/s

Time = 20 s

Displacement = Velocity×Time = (14×20) m = 280 m

The displacement is 280 m towards the direction of motion.

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2 years ago
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The orbit of the planets in our solar system is generally due to which characteristic of the Sun?
larisa [96]
The answer to your question is C. <span> the Sun's strong gravitational field . This is correct because i took the test :D</span>
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3 years ago
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A 1-oz bullet is traveling with a velocity of 1400 ft/s when it impacts and becomes embedded in a 5-lb wooden block. The block c
schepotkina [342]

   After impact velocity = 14.968 ft/s

Weight and mass of Bullet and wooden block:

Bullet: w = 1oz = 1/16 lb m = 0.001941 lb

wooden block : W = 5lb M = 0.15528 lb

velocity of block and bullet immediately after impact:

Σmv1 + ΣImp = mv2

Resolving vertical component

( m× v₀cos30⁰) + 0 = ( m+M) v'

v' = ( m× v₀cos30⁰)/ (m+M)

v' = 14.968 ft/s

Horizontal and vertical component of the impulse exerted by block on the bullet:

   Here we will apply the principle of impulse and momentum.

 Horizontal component:

          -mv₀ cos30⁰ + RxΔt  =0

                                 RxΔt = mv₀sin30⁰

                                          = 0.001941 × 1400sin30⁰

                                   RxΔt = 1.3587 lb.s

         Vertical component:

                           -mv₀cos30⁰  + RyΔt =  -mv'

                                     RyΔt = m( v₀cos30⁰-v')

                                     RyΔt = 0.001941(1400cos30⁰ - 14.968)

                                              = 2.32 lb.s

     Learn more about impact here:

            brainly.com/question/15008937

                  #SPJ4  

8 0
1 year ago
An object has a variable volume and shape before it changes state. After the
monitta
A : Solid to liquid


Solids have a variable volume and shape before it changed. Liquids can change in shape but have a fixed volume ( ex: water holding it’s shape in the cup until the person spills it )
3 0
3 years ago
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A car of mass 1689-kg collides head-on with a parked truck of mass 2000 kg. Spring mounted bumpers ensure that the collision is
Blababa [14]

Answer:

The initial velocity of the car is V1= 5.58 m/s = 20.12 km/h

Explanation:

m1= 1689 kg

v1= ?

m2= 2000kg

v2= 17 km/h = 4.72 m/s

by the conservation of quantity of movement :

m1*v1 = m2*v2

v1= m2*v2 / m1

v1= 5.58 m/s = 20.12 km/h

5 0
2 years ago
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