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Classical Mechanics
A boy run across a square shaped field with 10m side .calculate the displacement and distance in 2m.
Classical Mechanics
Show that the natural angular frequency of a system governed by the equation y '' + 900 π2 y = cos( omega1 * t) is omega = 30 π. This system has a natural frequency of 15 and a period of 2/30. The function g(t) = cos(omega1 * t) drives the system. If the driving function comes into phase with the natural frequency every 8 cycles, what is ω1 (there are two possibilities and you may choose either, but it's probably easier to think in terms of the greater of the two). I do not need to know how to solve the equation. I just need to know how to find the "two possibilities". (Omega_1)
Classical Mechanics
The time period of a simple pendulum ,called 'second pendulum ' is 2 s .Calculate the length ,angular frequency And frequency of the pendulum
Classical Mechanics
a solid cylinder of mass 3.0 kg and radius 1.0 m is rotating about its axis with a speed of 40 rad per second. Calculate the torque which must be applied to bring it to rest in 10 seconds . what would be the power required
Classical Mechanics
If the density of wood is 0.5 grams per cubic centimeter and the
density of water is 1.0 grams per cubic centimeter, consider the
following and solve.
A block of wood shaped as a cube is 10 centimeters per side – total
volume 1000 cubic centimeters. How much of the wood will NOT be in
the water when it floats?
density of water is 1.0 grams per cubic centimeter, consider the
following and solve.
A block of wood shaped as a cube is 10 centimeters per side – total
volume 1000 cubic centimeters. How much of the wood will NOT be in
the water when it floats?
Classical Mechanics
There are two masses resting on top of one another. Mass A being on top and mass B is on the bottom. There is friction between the two masses but no friction between the bottom box and the surface on which it lays. There is a string connected to mass A that loops around a fixed pulley on a wall and connects back to mass B. My question is, if you were to pull the bottom box away from the wall, would it a) have a force of friction acting on it and b) would both masses have the same acceleration (just different directions)?
Classical Mechanics
The surface area of the blades of a windmill is A. Wind flows perpendicular to the blades at a uniform speed of V. When this happens the blades of the windmill rotates at a uniform angular velocity of w. Suddenly the wind stops and the blades come to rest in t seconds. The moment of inertia of the blades around the axis is I and density of the air is given as p. Build a expression for the efficiency of the windmill using A, V, w, t, I and p.
Classical Mechanics
A 100 N force acting on a lever 2 m from the fulcrum balances an object 0.5 m from the fulcrum on the other arm . what is the weight on its mass ( in kg)
Classical Mechanics
In which case more volume of water will be displaced. When same cork is allowed to float on salty water and tap water
Classical Mechanics
A scout troop is practicing his orienting skills with map and compass. First they walk due east for 2.5km. Next they walk 45 degrees west of north for 7.3km. In what direction must they walk to go directly back to their starting point? How far will they have to walk?
