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IRISSAK [1]
3 years ago
15

Jamison spins around 5 times without moving any direction. What was the total displacement?

Physics
1 answer:
lyudmila [28]3 years ago
7 0

Answer:

Distance =0. Displacement=0. 2M

Explanation:

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A prisoner tries to escape from a Nashville, Tennessee prison by hiding in the laundry truck. The prisoner is surprised when the
VARVARA [1.3K]

Answer:

2. Body vibrations caused by blood pumped from the heart.

Explanation:

From the passage, it can be deduced that the heartbeat detector senses the tiny vibrations caused by blood pumped from the heart.

The prisoner asked the guard, "How did you know I was here?"

The guard responded,

"The heartbeat detector,"

3 0
3 years ago
How do I determine valence electrons from the periodic table
Mkey [24]

For neutral atoms, the number of valence electrons is equal to the atom's main group number. The main group number for an element can be found from its column on the periodic table. For example, carbon is in group 4 and has 4 valence electrons. Oxygen is in group 6 and has 6 valence electrons.

3 0
3 years ago
Read 2 more answers
A satellite is in a circular orbit around the Earth at an altitude of 3.18x10 m. Find the period and th orbital speed of the sat
Leona [35]

Answer:

112.17 m/s

56.427 years

Explanation:

h = 3.18 x 10^10 m

R = 6.4 x 10^6 m

r = R + h = 3.18064 x 10^10 m

M = 6 x 10^24 kg

The formula for the orbital velocity is given by

v = \sqrt{\frac{G M }{r}}

v = \sqrt{\frac{6.67 \times 10^{-11}\times 6\times 10^{24}  }{3.18064\times 10^{10}}}

v = 112.17 m/s

Orbital period, T = 2 x 3.14 x 3.18064 x 10^10 / 112.17

T = 0.178 x 10^10 s

T = 56.427 years

8 0
3 years ago
Which of the following statements is FALSE about collisions? (Consider Newton's Laws an the Conservation of Momentum.)
pantera1 [17]

<u>The following statements are false about collisions: </u>

  • The velocity change of two respective objects involved in a collision will always be equal.
  • Total momentum is always conserved between any two objects involved in a collision.

Answer: Option B, and D

<u>Explanation: </u>

In any collisions, equal amount of net force will be acted upon the colliding objects due to the third law of Newton, irrespective of the significance difference in mass of the objects. Similarly, they can also have different acceleration values during collision of two objects if the masses are identical.

But the statements regarding the equal change in velocity of two objects respectively involved in collision always is false, as the conservation of momentum is applicable for isolated system only. So it is true for only isolated system and not in all the systems.

The same reason goes for falsifying the fourth statement which states that total momentum is always conserved between two objects involved in a collision as this statement is only true for isolated system where the conservation of momentum can be applied. Thus the second and fourth statement is false regarding collision.

8 0
3 years ago
A 10.-newton force is required to hold a stretched spring 0.20 meter from its rest position. What is the potential energy stored
tester [92]
Data: 
Ep = ? (Joule)
if: F = k.x → F  = 10 N
x (displacement) = 0.20 m

Formula:
Ep =  \frac{F*x}{2}

Solving:
Ep = \frac{F*x}{2}
Ep =  \frac{10*0.20}{2}
Ep =  \frac{2}{2}
\boxed{\boxed{Ep = 1\:Joule}}\end{array}}\qquad\quad\checkmark


4 0
3 years ago
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