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Motion of an elevator: the acceleration with which an elevator can move up.

The mass of an elevator is 698 kg. The tension in the cable is 9250 N. At what rate does the elevator accelerate upward?

Subject:

Physics

Topic:

Classical Mechanics

Posting ID:

3945

OTA ID:

102509

View Details $1.99 Download Add to Cart

Working with tension in a pendulum.

A simple pendulum having a bob of mass m undergoes small oscillations. If theta is the small angle that makes with the vertical at the extreme positions, find the tension in the string as a function of the angle made by the string with the vertical. When is the tension maximum and when it is a minimum?

Subject:

Physics

Topic:

Classical Mechanics

Posting ID:

4031

OTA ID:

102509

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Working with projectile motion: A kicked football.

A foot ball is kicked with a velocity of 20m/s at an angle of 45 deg with the horizontal. (a) Find the time taken by the ball to strike the ground. (b) The maximum height it reaches (c) How far away from the kick does it hit the ground? Take g = 10m/s^2

Subject:

Physics

Topic:

Classical Mechanics

Posting ID:

4034

OTA ID:

102509

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Determining the elongation in a spring when the mass is immersed in water.

A copper piece of mass 10g is suspended by a vertical spring. The spring elongates 1cm over its natural length to keep the piece in equilibrium. A beaker containing water is now placed below the piece so as to immerse it completely in water. Find the elongation of the string. Density of copper is 9000 kg/m^3 g = 10 m/s^2

Subject:

Physics

Topic:

Classical Mechanics

Posting ID:

4119

OTA ID:

102509

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Calculating the variation of acceleration due to gravity on Earth.

A body weighs 98N on a spring balance at the North Pole. What will be its weight recorded on the same scale if it is shifted to the equator? Radius of earth is 6400km

Subject:

Physics

Topic:

Classical Mechanics

Posting ID:

4132

OTA ID:

102509

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