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Problem: A stone is launched horizontally from the roof edge 122.5 meters above ground. It hits the ground at a point 60 m from the building.
Part A- What was the initial velocity?
Show all work, use additional paper if necessary.
A 5* 10^2 kg hot air balloon takes off from rest at the surface of the earth. The non conservative wind and lift forces take the balloon up, doing +9.70*10^4J of work on the balloon in the process. At what height above the surface of earth does th..
A 2.0kg block of wood sits on a table. A 3.0 g bullet, fired horizontally at a speed of 360m/s, find the speed of the block immediately after the bullet exits
A horizontal vinyl record of radius 0.0786 m rotates freely about a vertical axis during its center with an angular speed of 4.59 rad/s. The rotational inertia of the record about its axis of rotation is 2.54 x 10-4 kg·m2. A wad of wet putty of mass ..
Two narrow slits 0.204 mm apart are illuminated by light of wavelength 580. nm. The light falls on a screen 1.48 m away from the slits. What is the angular seperation between adjacent maxima
The blades on a lawn mower require 5 revolutions to turn at a rate of 60 revs/sec. determine the angular acceleration of the blades
A train moving at a constant speed of 64.0 km/h moves east for 50.0 min, then in a direction 40.0° east of due north for 19.0 min, and then west for 53.0 min
falls resulting in hip fractures are a major cause of injury and even death to the elderly. typically the hips speed at
The deepest place in all the oceans is the Marianas Trench, wherethe depth is 10.9 km and the pressure is 1.10E+8 Pa, by how much does its volume decrease
if we have an electron orbiting an atomic nucleus. we may think the electron is doing a circular motion around the
Gamma-ray bursters are objects in the universe that emit pulses of gamma rays with high energies. What is the wavelength of the these gamma rays
a spring is hanging down from the ceiling and an object of mass m is attached to the free end. the object is pulled
A small mailbag is released from a helicopter that is descending steadily at 1.00 m/s. After 3.00 s, What is the speed of the mailbag
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