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A ball is thrown off the top of a building with a velocity v at an angle ? with respect to the horizontal. If the building is 50.0 m tall, the initial horizontal velocity Vo(x-axis)=19.0 m/s and the initial vertical velocity Vo(y-axis)=19.0 m/s.
A) Find the ball's maximum height above the ground.
B) Find the time it takes to reach the maximum height.
C) Find the total time of flight until the ball hits the ground.
D) Find the horizontal range.
An electric water heater holds 165L. If electricity costs 0.18 per , how much does it cost to raise the water temperature from 10 to 60.
A block in the shape of a rectangular solid has a cross-sectional area of 4.50 cm2 across its width, a front-to-rear length of 16.0 cm, Whats the conductivity of the material
A chunk of metal is held stationary, suspended by a string and the tension in the string is 19.6 N. What is the mass of the chunk of metal
Coherent light with wavelength 600 nm passes through two very narrow slits and the interference pattern is observed on a screen 5.00 m from the slits. The first-order bright fringe is at 4.74 mm from the center of the central bright fringe. For what ..
An electromagnetic wave traveling in the negative x direction has an electric field amplitude of 10.0 V/m in the positive y direction. calculate the amplitude of the magnetic field
Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?
A light beam strikes a piece of glass at a 50.00 degree incident angle. The beam contains two wavelengths, 450.0 nm and 700.0 nm, What is the angle between the two refracted beams
A 5.000 kg mass starts from rest and slides down on an inclined plane that is 5 degrees above the horizontal. If the body starts from rest and takes 1.25 s to travel a distance along the inclined plane, what is the final velocity of the body
As you zip through space in your PPS (personal propulsion suit), your pulse rate, as you count it, is 117 bpm, How fast are you moving with respect to the Moon
You push with a 20N horizontal force on a 2 kg mass resting on the horizontal surface against a horizontal friction force of 12N. What is the acceleration.
What is the final velocity of a hoop that rolls without slipping down a 7.50 m high hill, starting from rest
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 62.12 diopters, How far is the blackboard from her eyes
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