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the distance between the object and the eyepiece of a compound microscope is 18 cm. the focal length of its objective lens is 0.8 cm and the eyepiece has a focal length of 2.3 cm. The near-point distance of the person using the microscope is 25 cm. what is the total magnification of the microscope?
A man sitting inside the waiting room of a train station is looking out of a window at the train tracks, For how long time does he sees the train
If the ropes supporting the rings are attached to ceiling directly above, what is the tension in each rope.
A jetliner is moving at a speed of 235 m/s. The vertical component of the plane's velocity is 42.9 m/s. Evaluate the magnitude of the horizontal component of the plane's velocity.
Compute direction of the plane's velocity, relative to the ground. Compute how far from its intended position it will be after 15.0 if the pilot takes no corrective action.
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 20000 V. The speeds of the electrons are quite large.
What is the Acceleration of an object moving on a circular track
What is speed of the command module
A large cylindrical water tank is mounted on a platform with its central axis vertical. The water level is 3.75 m above the base of the tank, and base is 6.50 m above the ground. A small hole 2.23 mm in diameter has formed in the base of the tank. Bo..
A bob of mass m = 0.300kg is suspended from a fixed point with a massless string of length L = 21.0cm, What tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 24.0
A pilot flies an airplane at a constant speed of 520 km/hr in the vertical circle of radius 1400 m. compute the force exerted by the seat on the 105-kg pilot at point A and at point B.
Transverse waves travel at 23.3 m/s on a string that is under a tension of 7.00 N. What tension is required for a wave speed of 33.3 m/s in the string
A large truck collides head-on with a small car. The car is severely damaged as a result of the collision. According to Newton's third law, how do the forces acting between the truck and car compare during the collision?
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