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Ket [755]
3 years ago
10

A block of copper of density 8.9g/cm3 measures 5 cm by 3 cm by 2 cm. Given that the force of gravity is 10N/kg-1, determine. a)

The maximum pressure b) The minimum pressure exerted on a horizontal surface.​
Physics
1 answer:
kow [346]3 years ago
8 0

Answer:

hajdbslalbsgsvzblalsgdgxbzhagsg

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How is the world population projected to change in the next few decades?
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Answer:

B

Explanation:

it Ida projected to decrease steadily

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3 years ago
The strength of the Earth’s magnetic field B at the equator is approximately equal to 5 × 10−5 T. The force on a charge q moving
Blizzard [7]

Answer:

2.4\cdot 10^{-11} N

Explanation:

Since the Earth's magnetic field is perpendicular to your direction of motion, the strength of the magnetic force exerted on your head is given by:

F=qvB

where:

q=6\cdot 10^{-9}C is the charge on your head

v=80 m/s is the speed at which you are moving

B=5\cdot 10^{-5} T is the strength of the magnetic field of the Earth

By substituting these numbers into the equation, we find the strength of the magnetic force:

F=(6\cdot 10^{-9}C)(80 m/s)(5\cdot 10^{-5} T)=2.4\cdot 10^{-11} N

7 0
3 years ago
What is the formula for silver nitrate
serious [3.7K]

Answer:

Explanation:

Agno3

8 0
4 years ago
A +3.4 x 10-6 C test charge experiences forces from two other nearby charges: a 3 N force due east and a 15 N force due west. Wh
Alecsey [184]

Answer:

3.53×10⁶ N/c due west

Explanation:

From the question

E = F'/q........................ Equation 1

Where E =  Electric Field, F = Net Force, q = Charge.

But,

F' = F₂-F₁...................... Equation 2

Substitute equation 2 into equation 1

E = (F₂-F₁)/q................ Equation 3

Given: F₁ = 3 N due east, F₂ = 15 N due west,  q = 3.4×10⁻⁶ C

Substitute these values into equation 1

E = (15-3)/(3.4×10⁻⁶)

E = 12/(3.4×10⁻⁶)

E = 3.53×10⁶ N/c due west

4 0
3 years ago
Match the following words with their definitions.
Brrunno [24]

Answer:

1. Doppler Effect = The apparent change in frequency perceived when the source of sound is approaching or moving away from an observer

2. Beats = The vibration of an object at its natural frequency, caused by a force or wave of the same frequency

3. Resonance = a series of alternating reinforcements and cancellations produced by the interference of waves

4. Shockwave = The cone-shaped wave made by a particle moving faster than the speed of a wave in that medium

Explanation:

I hope this helps. :)

7 0
4 years ago
Read 2 more answers
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