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You are tightening your bicycles wheels using a wrench. The tightening torque is 100 Nm. If you apply a force of 200N at the end of the wrench at 60 degrees with the wrench, calculate the length of the wrench.
A microscope has an objective lens with a focal length of16.22 mm and an eyepiece with a focal length of 9.40 mm. what is the actual diameter of the red blood cell
A 300 DC power supply has fully charged a 15 mF capacitor. The charged capacitor is connected to a 20 mH inductor. find the magnetic energy in the inductor
A submarine is 319 m horizontally out from the shore and 111 m beneath the surface of the water. A laser beam is sent from the submarine so that it strikes the surface of the water at a point 209 m from the shore.
A telescope can be used as a camera if the film is placed at the image position of the objective lens (or mirror); what is the angular separation of the two stars
The handle of a 22-kg lawnmower makes a 35 degree angle with the horizontal. If the coefficient of friction between the lawnmower and ground is 0.68, what magnitude of force is required to push the mower at constant velocity?
A monochromatic light i incident on a single slit of width of 0.1 mm, and a diffraction pattern is formed at a screen which is 0.7 m away from the slit. The second order bright fringe is at a distance 2 mm from the center of the central maximum.
The centralized model for generating electricity
A car with 68 -diameter tires accelerates uniformly from rest to 20 in 10. How many times does each tire rotate
A 60.0 resistor is connected in parallel with a 116 resistor. This parallel group is connected in series with a 20.0 resistor. The total combination is connected across a 15.0 V battery.
A 1200 kg truck is accelerating uniformly from rest to 20.0 m/s east while travelling 30.0 m east across the level ground. The coefficient of friction between the tires and the road is 0.45.
A spring with 58 hangs vertically next to a ruler. The end of the spring is next to the 11- mark on the ruler. If a 2.5- mass is now attached to the end of the spring, illustrate where will the end of the spring line up with the ruler marks?
a physical pendulum consists of a uniform solid disk (of radius R = 54.9 cm) supported in a vertical plane by a pivot located a distance d = 21.1 cm from the center of the disk. What is the period of the resulting simple harmonic motion
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