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VLD [36.1K]
3 years ago
10

Time period of a simple pendulum is measured at karachi, what change will occur in the time period ,if it is measured on mount e

verest ,explain?
Physics
1 answer:
iren [92.7K]3 years ago
3 0
The period T of a simple pendulum is given by:

T = 2\pi \sqrt{ \frac{m}{g} }

where m is the mass of the pendulum and g is the gravitational acceleration.

The period of the pendulum will increase when the gravitational acceleration decreases.
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Simple definition of polar vector​
Assoli18 [71]

Answer:

In physics, a polar vector is a vector such as the radius vector that reverses sign when the coordinate axes are reversed

Explanation:

Polar vectors are the type of vector usually simply known as "vectors." In contrast, pseudovectors (also called axial vectors) do not reverse sign when the coordinate axes are reversed.

5 0
3 years ago
Read 2 more answers
The drum of a washing machine spins at 200 rpm the drum had a radius of 0.5m what will the centripetal force experienced by a to
miskamm [114]

The centripetal force experienced by the towel is 55 N.

The given parameters;

  • angular speed of the washing machine, ω = 200 rpm
  • radius of the machine' drum, r = 0.5 m
  • mass of the towel, m = 0.25 kg

The centripetal force experienced by the towel spinning along the walls of the drum is calculated as follows;

Fc = mrω²

where;

<em>Fc is the centripetal force</em>

<em>ω is angular speed in rad/s</em>

The angular speed in rad/s is calculate as;

\omega = \frac{200 \ rev}{\min} \times \frac{2\pi \ rad}{1 \ rev} \times \frac{1\min}{60 \ s} \\\\\omega = 20.95 \ rad/s

The centripetal force experienced by the towel is calculated as;

F_c = mr\omega ^2\\\\F_c = 0.25 \times 0.5 \times (20.95)^2\\\\F_c = 54.9 \ N \ \approx 55 \ N

Thus, the centripetal force experienced by the towel is 55 N.

Learn more here: brainly.com/question/20905151

5 0
3 years ago
What is the momentum of a 1200 kg car traveling with a speed of 27 m/s (60 mph)?
serious [3.7K]

Answer:

This is your answer

Explanation:

Actually I took this from go ogle

3 0
3 years ago
At time t=0 a proton is a distance of 0.360 m from a very large insulating sheet of charge and is moving parallel to the sheet w
Yuki888 [10]

Explanation:

Formula for the electric field due to the infinite sheet of charge is as follows.

               E = \frac{\sigma}{2 \epsilon_{o}}

where,   \sigma = surface charge density

Now, formula for electric force acting on the proton is as follows.

             F = eE

where,    e = charge of the proton

According to the Newton's second law of motion, the net force acting on the proton is as follows.

                       F = ma

                 a = \frac{eE}{m}

                    = \frac{e(\frac{\sigma}{2 \epsilon_{o}})}{m}

                    = \frac{e \sigma}{2m \epsilon_{o}}

According to the kinematic equation, speed of the proton in perpendicular direction is as follows.

              v_{f} = v_{i} + at

                     = (0 m/s) + \frac{e \sigma}{2 m \epsilon_{o}}t

                     = \frac{1.6 \times 10^{-19}C \times 2.34 \times 10^{-9} C/m^{2} \times 5.40 \times 10^{-8}s}{2 \times (1.67 \times 10^{-27} kg)(8.85 \times 10^{-12} C^{2}/Nm^{2}}

                     = 683.974 m/s

Hence, total speed of the proton is as follows.

                v' = \sqrt{(960 m/s)^{2} + (683.974 m/s)^{2}}

                    = \sqrt{921600 + 467820.43}

                    = \sqrt{1389420.43}

                    = 1178.73 m/s

Therefore, we can conclude that speed of the proton is 1178.73 m/s.

3 0
3 years ago
A rocket blast off and moves away from the earth. How is the rocket affected by the earth's gravitational pull as it gets furthe
Yuki888 [10]
Gravitational forces between two objects decrease as the objects
get farther apart. 

That's a big part of the reason why the Earth attracts us with more
force than Jupiter does.
5 0
4 years ago
Read 2 more answers
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