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A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.76 m. With the string hanging vertically, the object is given an initial velocity of 2.8 m/s parallel to the ground and swings upward in a circular arc. Eventually, the object comes to a momentary halt at a point where the string makes an angle ? with its initial vertical orientation and then swings back downward. Find the angle ?.
A mass is attached to the end of a spring and set into oscillation on a horizontal frictionless surface by releasing it from a stretched position of x = +0.150 m. find maximum speed of the oscillating mass
Air that initially occupies 0.47 m3 at a gauge pressure of 100 kPa is expanded isothermally to a pressure of 101.3 kPa, Compute the work done by the air
An arrow is shot into the air from a 5 foot platform with an initial velocity of 80 ft per second. What does the arrow reach maximum height
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
A loop of area 0.100 m2 is rotating at 3600 rpm (revolutions per minute) with an axis of rotation perpendicular to a 0.20 T magnetic field. what is the maximum voltage induced in the loop
A radio controlled car increases its kinetic energy from 4J to 12J over the distance of 2 m. What was the average net force on the car during this interval.
The intensity of sunlight hitting the Earth is about 1300 W/m^2. Find amplitude of the electric field
Light moving from glass to air changes wavelength from 448.5 nm to 653.7 nm. find the frequency of the light in air
How many grams of gasoline are required to impart a velocity of 26 meters/sec (60 miles per hour) using the same engine and neglecting losses that may be higher at the higher velocity
q1. a 1.2 kg mass attached to a spring oscillates with amplitude of 6.3 cm and a frequency of 1.1 hz. what is its
Water is discharged from a large pump and travels at an average velocity of 48 ft/sec. What is the kinetic energy of each lbm of water leaving the pump
The diagram below shows a block (B) resting in equilibrium on a spring of stiffness k [N/m] and damper of damping constant c [Ns/m]. What is the steady-state deflection d of the system
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