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A steel ball of mass .5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. when it falls back on the ground at the base of the building it gets buried in sand to a depth of .2 m. determine: the average resistance force that sand exerts on the ball.
A 5.00-g bullet is fired into a 900-g block of wood suspended as a ballistic pendulum. What was the kinetic energy of the bullet
A 2 200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.20 m before coming into contact with the top of the beam, Find the magnitude upwards
Illustrate the basic environments (legal, social, economic) in which a business operates. You are encouraged to use the library for additional sources to support your description. Remember to use APA format for in-text citations and aligned refer..
A spider has a mass of 0.70-g and is hanging from rest on a 20-cm long thread of 0.0020-mm diameter of silk, If the string is whirled in a circle at a rate of 2 revolutions per second, what is the minimum and maximum time for vibrational information..
Important information about Initial kinetic energy of the object Point A is situated at the bottom of a rough plane which is inclined at 45 degrees to the horizontal. A body of mass 0.5 kg is projected from A along and up the line of greatest slop..
The distance between successive crests of a sound wave is 33m. what is the approximate frequency of the sound wave
In a cement mixer, cement, gravel and water are mixed by tumbling in a slowly rotating drum. Calculate the maximum angular speed for which the materials will mix
It walks 2.4m along the boat toward shore and the nstops Assuming no friction between the boat and the water, find out how far the dog is then from the shore
At what angle to the surface must a diver submerged in a lake look toward surface to see the setting Sun just all along the horizon.
A basketball of mass 610g and circumference 76cm is rolling without slipping on a gym floor. Treating ball as a hollow sphere, what fraction of its total kinetic energy is associated with its rotational motion.
Theoretically where on a rollercoaster should you feel the heaviest? Use the concept of inertia. Where do you actually feel the heaviest
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
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