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horsena [70]
4 years ago
13

Which statement about quadrilaterals is true?

Physics
1 answer:
alexdok [17]4 years ago
7 0
3 . ) all quadrilaterals have four sides
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When you push a 1.85-kg book resting on a
Margaret [11]

Answer:

Given:

mb=2.05 kgmb=2.05 kg Mass of the book

fs=2.45 Nfs=2.45 N Static friction

fk=1.50 Nfk=1.50 N Kinetic friction

6 0
3 years ago
A moving car has 2000 J of kinetic energy. If the speed doubles, how much kinetic energy would it have?
oee [108]
Given,
Kinetic energy of the car = 2000 J
speed of the car is doubled
we know,

now, speed of the car is doubled
v' = 2 v


Using

=1/22


Hence, the Kinetic energy would be equal to 8000 J.
7 0
3 years ago
A projectile is shot from the edge of a cliff h = 185 m above ground level with an initial speed of v0 = 145 m/s at an angle of
OleMash [197]
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6 0
4 years ago
an egg (0.05 kg) hits the ground at a speed of 10 m/s and cracks . what was the momentum of the egg when it hit?
Anastaziya [24]
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6 0
3 years ago
b) Assume the rod is 0.60 m long and has a mass of 0.50 kg, and the clay blob has a mass of 0.20 kg and moves at an initial velo
SOVA2 [1]

Answer:

The correct answer is "6.96 rad/s".

Explanation:

The given values are:

Length,

L = 0.6 m

Mass,

m₁ = 0.5 kg

m₂ = 0.2 kg

Initial velocity,

V = 8 m/s

Now,

The final angular velocity will be:

⇒ \omega =\frac{6m_1V}{(4m_1+3m_2)L}

By substituting the values, we get

⇒     =\frac{6\times 0.2\times 8}{(4\times 0.2+3\times 0.5)0.6}

⇒     =\frac{9.6}{1.38}

⇒     =6.96 \ rad/s

4 0
3 years ago
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