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4 years ago

Why mass does not affect period of the pendulum?

Physics

1 answer:

Strike441 [17]4 years ago

4 0

Because gravity accelerates all objects the same regardless of their mass

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Why the rusting of iron is slow in the deserts than in the coastal areas?

gulaghasi [49]

Answer:

Rusting of iron is slow in desert area because rusting happens when iron articles react with atmospheric oxygen and moisture and produced a substance called rust. in desert areas there is less moisture in air as compared to coastal area therefore rusting is slow.

6 0

3 years ago

Which of the following are found in the nucleus?

trapecia [35]

Answer:

Protons and Neutrons are found in the nucleus D would be your answer

Explanation:

8 0

3 years ago

Read 2 more answers

A metal sphere, X, has an initial net charge of −6 × 10−6 coulomb and an identical sphere, Y, has an initial net charge of +2 ×

STatiana [176]

When the two spheres touch each other, part of the charge recombine together. The part of charge that recombines is the excess of positive charge on sphere Y, $Q_y = +2 \cdot 10^{-6}C$ , that recombines with an equivalent charge of $-2 \cdot 10^{-6}C$ located on sphere X. As a result, the total charge remained on the two spheres is the excess of negative charge remained on sphere X:
$Q=-4 \cdot 10^{-6}C$
Since the two spheres are identical, they have same capacity, so this charge will now redistribute equally on the two spheres: therefore, at the end, each sphere will have
$\frac{Q}{2}=-2 \cdot 10^{-6} C$

8 0

3 years ago

The Electrons in a beam are moving at 2.7x108 m/s in an electric field of 16000 N/C. What value must the magnetic field have if

kozerog [31]

Answer:

B = 0.07 mT

Explanation:

q = 1.6x10^-19 coulombs

for the electron to pass through the field undeflected the magnetic force acting on it must equal the electrical force due to the electric field

electric force = Eq = 16000 * 1.6x10^-19 newtons

magnetic force = qvB = 1.6x10^-19 * 2.7x10^8 * B

16000 * 1.6x10^-19 = 1.6x10^-19 * 2.7x10^8 * B

B = 0.07 mT (milli tesla)

8 0

3 years ago

You push a box of mass 10kg with a force of 200N. The coeficient of friction between box and floor is 0.2. draw a free body diag

AysviL [449]

Answer:

Acclⁿ = 18m/s² .

Explanation:

Mass = 10 kg

Frictional force is acting in opposite dirⁿ . Therefore the net force will be ,

=> F_net = 200N - Fricⁿ force

=> m * a_net = 200N - u mg

=> 10kg *a_net = 200N - 0.2*10*10

=> a_net = 180/10 m/s²

=> a_net = 18m/s²

4 0

3 years ago