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olya-2409 [2.1K]
3 years ago
10

The power dissipated in each of two resistors is the same. The current across resistor A is triple that across resistor B. If th

e resistance of resistor B is R, what is the resistance of A?

Physics
1 answer:
Svetllana [295]3 years ago
5 0

Answer:

Explanation:

this is the answer to your question

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A projectile of mass 0.2 kg and an initial velocity of 50 m/s collides with the end of a blade attached to a turbine. The rotati
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5.5 rad/sec

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2 years ago
Find the minor measurement of the vernier scale by taking 49, 1mm divisions of the main scale and dividing it into 50 vernier di
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length of V-50 = 49mm

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= 1mm -0.98mm

= 0.02mm

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The minor measurement of the vernier scale is 0.02mm.

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An archer puts a 0.30-kg arrow to the bowstring. An average force of 201 N is exerted to draw the string back 1.3 m. Assuming th
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Answer:

41.74 m/s

Explanation:

The energy used to draw the bowstring = the kinetic energy of the arrow.

Fd = 1/2mv²................................ Equation 1

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make v the subject of the equation

v = √(2Fd/m)...................... Equation 2

Given: F = 201 N, m = 0.3 kg, d = 1.3 m.

Substitute into equation 2

v = √(2×201×1.3/0.3)

v = √(1742)

v = 41.74 m/s.

Hence the arrow leave the bow with a speed of 41.74 m/s

3 0
3 years ago
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Why was the microscope and its improvement an important part of the development of the cell theory?
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Answer:it’s is part of the cell theory because they where studying cells and to see it you need a microscope

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