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Q1. A weight with a mass of 57 kg is suspended from a point near the right hand end of a uniform boom with a mass of 60 kg. To support a uniform boom a cable runs from this same point to a wall (left hand vertical coordinate) and by a pivot on the same wall at an elevation of 3m. (Max is 8.5m, so left side of triangle is 6.5, bottom is 8, and hypotenuse is T). Compute the tension in the cable. The acceleration of gravity is 9.8.
Q2. Batteries are rated in terms of ampere-hours (A h). For example, a battery that can produce the current of 3.00 A for 5.00 h is rated at 15.00 A h.
What is the total energy stored in an 8.0-V battery rated at 49.0 A h?
Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.
A discussion of why the ideal gas law is expected to fail at low temperatures and how its failure may affect your estimation of absolute zero.
What is least value for which stick remain in equilibrium
Find out the depth of the kerosene
Six mass pieces of 100g each are placed on a mass holder of 140g which is hung from a string. Analyse the tension in the string.
The resistance of a copper wire of length L meter is 0.1 ohms. If the diameter of the wire is 0.045cm, find out its specific resistance.
A doubly charged helium atom whose mass is 6.6 10 to 27 kg is accelerated by a voltage of 2200 V. What will be its radius of curvature if it moves in the plane perpendicular to a uniform 0.308 T field?
What is an acceleration of the particle at the instant
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
What is the horizontal component of velocity
Yusef pushes a chair of mass = 51.0 across a carpeted floor with a force (the subscript 'p' here is lowercase and throughout the question) of magnitude = 170 directed at = 35.0 below the horizontal. The magnitude of the frictional force between the c..
Find out the coefficient of sliding friction
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