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Lynna [10]
4 years ago
11

How are force and acceleration related?

Physics
2 answers:
Ghella [55]4 years ago
8 0
Force= mass * acceleration (f=ma)
Sunny_sXe [5.5K]4 years ago
7 0
Force = the mass of an object x its acceleration
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A toy car having mass m = 1.50 kg collides inelastically with a toy train of mass M = 3.60 kg. Before the collision, the toy tra
baherus [9]

Answer:

  v_{f} = 3,126 m / s

Explanation:

In a crash exercise the moment is conserved, for this a system formed by all the bodies before and after the crash is defined, so that the forces involved have been internalized.

the car has a mass of m = 1.50 kg a speed of v1 = 4.758 m / s and the mass of the train is M = 3.60 kg and its speed v2 = 2.45 m / s

Before the crash

    p₀ = m v₁₀ + M v₂₀

After the inelastic shock

    p_{f}= m v_{1f} + M v_{2f}

    p₀ =  p_{f}

    m v₀ + M v₂₀ = m v_{1f}  + M v_{2f}

We cleared the end of the train

     M v_{2f} = m (v₁₀ - v1f) + M v₂₀

Let's calculate

     3.60 v2f = 1.50 (2.15-4.75) + 3.60 2.45

     v_{2f}  = (-3.9 + 8.82) /3.60

      v_{2f}  = 1.36 m / s

As we can see, this speed is lower than the speed of the car, so the two bodies are joined

set speed must be

      m v₁₀ + M v₂₀ = (m + M) v_{f}

      v_{f}  = (m v₁₀ + M v₂₀) / (m + M)

      v_{f}  = (1.50 4.75 + 3.60 2.45) /(1.50 + 3.60)

      v_{f} = 3,126 m / s

4 0
4 years ago
A ships initial position is 25 km east of the origin. What is the ship’s final position if it sails at a constant velocity of 42
Evgen [1.6K]

Answer:

88km E

Explanation:

25 km is added already

then if we take the formula of speed(V)

V=d/t

and rearrange it to subject d (distance)

d= V x t

we get

d= 42km/h x 1.5hrs

we get

63 km

now if we add the already travelled 25 km to this additional distance

63km + 25km = 88km

Thus the final distance traversed by the ship from its origin is

88km E

Plz mark me brainliest

Hope this helps

7 0
3 years ago
Is there any difference between reflection and echo???
Fofino [41]

Answer:

reflection is the act of reflecting or the state of being reflected while echo is

reflection of sound waves from a surface back to the initial listener

6 0
3 years ago
Draw a neat labelled diagram for a particle moving in a circular path with a constant speed. In your diagram show the direction
Naya [18.7K]

Explanation:

Particle moving in a circular path with a constant speed.

3 0
3 years ago
A boat is able to move through still water at 20m/s. It makes a round trip to.a town 3km upstream.If the river flows at 5m/s,the
marishachu [46]

Answer:

the answer is 320 seconds :)

8 0
4 years ago
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