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The bob of a simple pendulum of length l = 800 mm is released from rest when θ= 15°. Assuming simple harmonic motion, determine 1.6 s after release (a) the angle u, (b) the magnitudes of the velocity and acceleration of the bob.
A basketball player jumps straight up and then lands 0.49 seconds after leaving the ground. Find the initial velocity of the player
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 19.0 m/s at an angle 48.0 degrees; How high above the ground will the ball be when it gets to Julie
Each croquet ball in a set has a mass of .5 kg. The green ball travels at 10.5m/s and strikes a stationary red ball. what is the final speed of the red ball after the collision
part a calculate the maximum value of resistance that can be obtained by combining resistors of 35 omega 44 omega and
A ladder is leaning against a vertical wall. The coefficient of friction between the ladder and the horizontal surface is μ1 = 0.295, Find the maximum angle with the vertical ladder can make without falling on the ground
What would its speed be relative to the Earth in m/s?
Dust particles are pulverized rock, which has density 2500 kg/m3. They are approximately spheres 20 ?m in diameter. what is the root-mean-square speed (thermal speed) of a dust particle at 60°C
a uniform electric field exists in the region between two oppositely charged plane parallel plates. an electron is
a point charge of -2.03oc is located in the center of a spherical cavity of radius 6.52cm inside an insulating
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
In 1913 the Woolworth Building in New York City was constructed. It was the tallest building in the world until 1930. On floor 36 a steel beam of square cross section (6 centimeters on a side) and length 10 meters was suddenly loaded with a 2,0..
A solid sphere, hoop, and disk (all with same mass and radius) are rolled up an incline with (potentially) different initial speeds. They each reach the same height up the incline. Compare the initial speed that they each enter the incline and exp..
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