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shtirl [24]
2 years ago
8

Ask For

Physics
1 answer:
Nostrana [21]2 years ago
6 0
I think c I’m not sure tho
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How do I solve such problem???
labwork [276]

1).  Calculate how long it takes an object to fall 4,000 m after it's dropped. (Use D = (1/2) (g) (T²) .  D is 4,000 m.  g = 9.8 m/s².  Find T .)

2).  Calculate how far the object will move HORIZONTALLY in that length of time, if it's moving at 75 m/s.  (Distance = (75 m/s) x (time) . )

6 0
3 years ago
Can someone help me please
enyata [817]

Answer:

I think its distance

Explanation:

when measuring how far a p.o art u can use mm

3 0
3 years ago
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DEFINE HEAT CAPACITY
Rudiy27
The number of heat units needed to raise the temperature of a body by one degree.
4 0
3 years ago
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A 500 kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 30 N/m. The blo
m_a_m_a [10]

Answer:

x = 0.396 m

Explanation:

The best way to solve this problem is to divide it into two parts: one for the clash of the putty with the block and another when the system (putty + block) compresses it is   spring

Data the putty has a mass m1 and velocity vo1, the block has a mass m2 .  t's start using the moment to find the system speed.

Let's form a system consisting of putty and block; For this system the forces during the crash are internal and the moment is preserved. Let's write the moment before the crash

    p₀ = m1 v₀₁

Moment after shock

    p_{f} = (m1 + m2) v_{f}

   p₀ = p_{f}

   m1 v₀₁ = (m1 + m2) v_{f}

  v_{f} = v₀₁ m1 / (m1 + m2)

   v_{f}= 4.4 600 / (600 + 500)

  v_{f} = 2.4 m / s

With this speed the putty + block system compresses the spring, let's use energy conservation for this second part, write the mechanical energy before and after compressing the spring

Before compressing the spring

   Em₀ = K = ½ (m1 + m2) v_{f}²

After compressing the spring

   E_{mf} = Ke = ½ k x²

As there is no rubbing the energy is conserved

   Em₀ = E_{mf}

   ½ (m1 + m2) v_{f}² = = ½ k x²

   x = v_{f} √ (k / (m1 + m2))

   x = 2.4 √ (11/3000)

   x = 0.396 m

7 0
3 years ago
An earthquake is a natural rapid shaking of the _______ caused by the release of stored energy in rocks
REY [17]

Answer:

An earthquake is a natural rapid shaking of the tectonic plates caused by the release of stored energy in rocks

Explanation:

there are tectonic plates and the earthquake is caused by that energy the plates are always moving so it might get stuck in between each other and store the energy.

8 0
2 years ago
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