Enlaged image in the mirror
A shaving or makeup mirror is a large concave mirror. In terms of its focal length f, what is the range of distances from the mirror at which you can put your face and get an enlaged image in the mirror?
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During the acceleration, the hoisting cable applies a force of 9300 N. What does the scale read during the acceleration?
If the velocity v of the load is 2m/s down and the angular velocity w of the pulley is 8 rad/s counterclockwise at the time t =0, determine v and w after the cable tensions have been applied for 5 seconds. Note the independence of the results.
What is an incremental cash flow for a project? What concepts do we need to examine to help understand how to estimate the incremental cash flow of a project?
what is the magnitude of astronaut velocity, if an astronaut is given a centripetal acceleration of 17.6 g? What is the period of the motion?
Determine the time t required for the disk to acquire its steady state angiular speed. the belt drive pulley rotates with a constant counterclockwise velocity w.
Dry air having a mass flowrate of 2 kg/s and a temperature of 300K merges with dry air flowing at 3 kg/s and having a temperature of 400K. What is the maximum temperature of the resulting mixture?
What is an incremental cash flow for a project? What concepts do we need to examine to help understand how to estimate the incremental cash flow of a project? What else is needed for deciding on whether or not to choose a project?
The flash unit in a camera uses a 2 battery to charge a capacitor. The capacitor is then discharged through a flashlamp. The discharge takes , and the average power dissipated in the flashlamp is 10. What is the capacitance of the capacitor.
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