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Question1
The period of a simple pendulum, defined as time necessary for one complete oscillation, is measured in time units and is given by T=2π√(l/g)
Where l is length of the pendulum and g is the acceleration because of gravity, in units of length divided by time squared. Show that this equation is dimensionally consistent. (You may want to check the formula using your keys at the end of a string and a stopwatch.)
Question2
According to theory end correction for a pipe is approximately L=0.3186D, where D is diameter. find actual length of a pipe open at both ends that will make a middle C(256Hz) as its fundamental mode for pipes of diameter D=1cm,10cm and 30cm.
Express the time in terms of given quantities. T catch = ? How far from Car B's starting line will the cars be when Car B passes Car A? Express your answer in terms of known quantities.
High jumpers usually sustain fractures in the lower third of the fibula. The world record for the high jump is held by Javier Sotomayor (Cuba) at 2.45 m (1993). what is the stress in the fibula
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 1710 * 10^3 seconds, calculate the moon\'s radial acceleration.
A thin metallic spherical shell of radius 41.6 cm has a total charge of 8.05 ?C uniformly distributed on it. At the center of the shell is placed a point charge of 2.83 C. What is the electric field at a distance of 23.9 cm from the center of the ..
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
The pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth.
A rowboat crosses a river with a velocity of 3.51 mi/h at an angle 62.5° north of west relative to water. The river is 0.8 mi wide and carries an eastward current of 1.25 mi/h. How far upstream is the boat when it reaches the opposite shore.
Find the force necessary to start the crate moving, given that the mass of the crate is 32 {rm kg} and the coefficient of static friction between crate and floor is 0.60.
A solid uniform disk of mass M = 9 kg and radius R = 29 cm rests with its flat surface on a frictionless table, What is the total kinetic energy of the disk
Lasers are used extensively in eye surgery to remove unwanted material from the eye or reshape the eye lens. If this energy is delivered to a spot on the eye that is 1.0 mm in diameter, what is the intensity during a pulse
The driver of a 1250 kg car, initially traveling at 11.6 m/s, applies the brakes, bringing the car to rest in a distance of 23.0 m. Find the net work done on the car
A bowling ball of mass 7.00kg is rolling at 3.00m/s along a level surface. Calculate the ball's rotational kinetic energy
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