Determine how long will take to paint the office
Charlie and lucy are painting the office. Working alone, Charlie can paint room in 6 hours and Lucy can finish job in 4 hours. Determine how long will take them to finish, in hours, if they work together at their respective individual rates?
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The 62 ton monolith is transported on the causeway which is 2500 feet long and has the slope about 3.3 degrees. Find how much force parallel to incline would be needed to hold monoolith on this causeway.
A proton of mass = 1.67*10^-27 kg and charge 1.602*10^-19 C is placed in an electric field with strength 1*10^-6 N/C. Determine how far (in m) does the proton travel in 10 s?
The frog population increases exponentially with continuous growth rate 15%; where time is measured in months. Initial population is 100 frogs.
The beam of laser light having wavelength 612 nm is directed via a slab of glass with index of refraction 1.55. (a) For what minimum incident angle would a ray of light undergo net internal reflection?
Determine how long will take them to finish, in hours, if they work together at their respective individual rates?
A parallel plate capacitor is built up of two 10cm x 10cm plates spaced 1 cm apart. They are charged with a +-1nC. The electron is shot via a tiny hole in the positively charged plate. Determine the minimum speed (in meters/second) it requires to
The point on an edge of the flywheel with the radius of 16 cm is rotating at the rate of 11 radians per second. Find linear speed on the rim, in centimeters per minute?
A fly-wheel of mass 12 kg and radius 20 cm is mounted on the light horizontal axle of radius 5cm that rotates on frictionless bearings.
The deflection y of the beam at the horizontal distance x from one end is provided by equation below, where L is length of beam and k is constant. Find for what values of x is deflection zero?
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