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LUCKY_DIMON [66]
3 years ago
9

If your good in science please help me with this question.

Physics
1 answer:
Dahasolnce [82]3 years ago
5 0

Answer:

A inertia

B force and acceleration

C force

D action reaction

E action reaction

F

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A train crosses a bridge that is 1300 m long in 1 minute and 5 seconds.
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Explanation:

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Help with a length problem
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3 0
3 years ago
!!HELP HELP!!
borishaifa [10]

Answer:

7.5s

Explanation:

Given parameters:

Velocity  = 30m/s

Deceleration  = 4m/s²

Unknown:

Time it takes for the car to come to complete rest  = ?

Solution:

 To solve this problem, we use the kinematics expression below:

        v  = u + at

 Since this is a deceleration

         v  = u - at

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time taken

         v - u  = -at

         0  - 30  = -4 x t

              -30  = -4t

               t  = 7.5s

6 0
3 years ago
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