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A unit-step function u(t) can be considered a causal constant source (e.g. a battery in a circuit if the units of u(t) is volts).
The claim that the acceleration of the falling mass is the same as the tangential acceleration of a point at the lever arm distance from the axis.
The leg and cast in Figure weigh 270 N, with the center of mass as indicated by the blue arrow in the diagram.
The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 3.0 rev/s in 7.0 s.
What is the total mechanical energy of this simple harmonic oscillator?What is the maximum speed of the particle?
An initially uncharged 10-mF capacitor is charged by a 10-V battery through a resistance R. The capacitor reaches a potential difference of 4 V in a period
The plane is pointed vertically downward at Mach 3 and will be pulled from the dive in a circular manuver (befoe crashing).
A radio can be tuned into a particular station frequency by adjusting the capacitance in an L-C circuit. Suppose that the minimum capacitance of a variable
The propulsion force pushing the motorcycle up the ramp is 3150 N and air resistance produces a force of 250 N that opposes the motion.
When the cylinder is rotating at 2.0 revolutions per second, what is the magnitude of the centripetal acceleration at the outer wall?
Two boxes are seen to accelerate at the same rate when a force F is applied to the first box and 4F is applied to the second box. What is the mass ratio of the
What acceleration did the car experience and how much force must the guard rail have supplied to slow it down.
A 28-kg child slides down a playground slide from a height of 3.0m above the bottom is 2.5 m/s, what is the work done by non-conservative forces?
What is the magnitude of the angular acceleration?What is the angle through which the rotor turns.
Express your answer in terms of the mass and the magnitude of the acceleration due to gravity .
Both Angelo and Jackie start at rest and apply an equal Force to their bikes in section A, after which each of them stops peddling.
Helium gas enters an adiabatic nozzle steadily at 500 degrees C and 600 kPa with a low velocity, and exits at a pressure of 90 kPa.
The positions of two blocks at successive 0.20 second time intervals are represented by numbered squares in the diagram below.
The kinetic energy of a rigid body rotating about a noncentroidal axis through O can be expressed as the mass moment of inertia.
A 3.00-kg mass and a 5.00-kg mass hang vertically at the ends of a rope that goes over an ideal pulley.
A football is kicked at an angle of 50 degrees and travels a distance of 20 m before hitting the ground.
In airplane traveling at 529 km/hr needs to reverse its course. The pilot decides to accomplish this by banking the wings at an angle of ? = 41.0.
A rifle bullet with mass .010 kg strikes and embeds itself with a block of mass .990kg which rests on a frictionless horizontal surface
The car with its passengers is traveling along a horizontal road when it suddenly runs onto a new piece of road surface, raised 5.5 cm above the old surface.
Two masses are attached with a pulley over an incline which is over a platform. The top of the incline to the ground is 6m.