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A block with mass m = 1.8-kg attached to the end of a spring undergoes simple harmonic motion on a horizontal frictionless surface. The oscillation period is T = 5.0-s and the oscillation amplitude is A = 12.7-cm. When the spring is unstretched the block sits at a distance L = 1.7-m from a wall. Suppose we snap the spring at the very moment the block passes through the equilibrium point towards the wall. Calculate the time it takes for the block to hit the wall.
Ocean waves are traveling to the east at 5.0 m/s with a distance of 16 meter between crests. Find with what frequency do the waves hit front of a boat when the boat is at anchor
Biologically usefull technetium nucleuii (at wt 99) have half life of 6 hours. A solution containing 10^-12 gram of this is injected into the bladder of a patient.
Person a is 20 ft to the right of person b. Person a recieves a ball and throws it 18.9 m away, angle of 25 degree celcius to the right horizontal, what is his average velocity(magnitude and direction) if he takes a straight path
using a 699-nm wavelength laser you form the diffraction pattern of a 0.111-mm wide slit on a screen. you measure on
A 5N force is applied to a wheel with a rotational inertia of 0.080 kg m2 that has a radius of 5 cm, What angular aceleration did it cause
Three forces act on a body which moves with constant velocity. One force is 9 N acting at an angle of 70°, What is the angle of the third force
A solid wood door 1.00 m wide and 2.00 m high is hinged alongone side and has a total mass 40.0 kg. Find the final angular speed of the door
Water is flowing through a V-shaped weir, which has a 30° vertex. What is the distance from the surface of the water to the vertex
A whale sends an undersea signal to its mate and then gets a response 4.5 seconds later. How far away is the whales mate
Looking out the window of a train you observe the passengers on a second train moving in the opposite direction at a constant velocity. determines which of the two trains is actually moving
A rocket traveling 1850 m/s away from the Earth at an altitude of 6800 km fires its rockets, at what rate must the gases be ejected
A saw blade goes from rest to 3500 rpm in 3.0s. Through how many radians does the blade turn while reaching 3500 rpm
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