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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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An elevator lifts a person 24.4 m with a force of 300. N in 15.0 s. What is the power of the elevator?
scoray [572]
We have: Power = Force × Displacement/Time
Here, Force = 300 N
Displacement = 24.4 m
Time = 15 s

Substitute their values in the formula:
P = 300 × 24.4/15
P = 20 × 24.4
P = 488

Finally, Option B is your final answer.

Hope this helps!!
8 0
3 years ago
5. How fast does a 50 gram arrow need to travel to have 40 Joules of kinetic energy?​
qwelly [4]

Answer: v = 40 m/5

Explanation:

40 J = 1/2 (105) v^2

1600 = v^2

v = 40 m/5

7 0
3 years ago
During the process of cellular respiration water becomes oxygen
Genrish500 [490]
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5 0
3 years ago
Read 2 more answers
Suppose you calculated the speed of light in an unknown substance to be 4.00x10^8 m/s. How could you tell if you made an error i
Mice21 [21]

Answer: You could tell if you made an error in your calculations by repeating the steps.

Speed of light is the fastest/maximum in vacuum which is equal to 3 × 10^8 m/s, therefore speed of light through any material equal to 4 × 10^8 m/s is physically and theoretically impossible and therefore incorrect.

Explanation:

6 0
2 years ago
12. An astronaut whose mass is 70 kg on Earth's surface 12 poi
Vadim26 [7]

Her mass is still 70 kg

Explanation:

The mass of an object is an intrinsec property of the object that gives a measure of the "amount of matter" inside the object.

Being an intrinsec property, it depends only on the object itself, not on its location: therefore, the mass of an object is always the same in different locations. Therefore, the mass of the astronaut in the spacecraft is still the same as if she was on the earth, 70 kg.

On the contrary, the weight of an object is the force of gravity acting on the object, and it is given by

F=mg

where

m is the mass

g is the acceleration of gravity

While m is always the same, the value of g changes based on the location: therefore, the weight of an object changes  depending on the location.

Learn more about gravity:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

3 0
3 years ago
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