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An object of height 10 cm is placed 50 cm in front of a bi-convex lens with a focal length of 20 cm. Which of the following is true about the image?
I) The image is virtual
II) The image is situated on the opposite side as the object
III) The image is inverted
A) I only
B) I and II only
C) II and III only
D) II only
E) III only
A circular-motion addict of mass 90 kg rides a Ferris wheel around in a verticalcircle of radius 10 m at a constant speed of 6.3 m/s. What is the period of the motion?
In a deep dive, a whale is appreciably compressed by the pressure of the surrounding water. Explain what happens to the whale density
Detect burglars entering windows: Describe how you will design a device that uses electromagnetic induction to detect a burglar opening a window in your ground floor apartment. Include drawings and a word description.
If the loop's diameter changes from 24.0cm to 5.8cm in 0.67s , what is the direction of the induced current, If the coil resistance is 2.6? , what is the average induced current
An object moves along the x axis according to the equation x = 2.90t^ - 2.00t + 3.00, where x is in meters and t is in seconds. Determine the average acceleration between t = 3.40 s and t = 5.40 s
A man brings to work a 5.7 kilogram box of books. determine what is the minimum force does the man must apply in order to make the box slide
A piece of wood (density: 0.12 g/cm3) with a mass of 30 gram in air is affixed to a lead sinker with a mass of 400 gram. Determine what will be the apparent mass of this system
A solid disk is rotating with an initial angular speed of 600 revolutions per minute. how many revolutions will it have turned through by the time it stops
A tennis player hits a 58.0 {\rm g} tennis ball so that it goesstraight up and reaches a maximum height of 6.17 {\rm m}. How much work does gravity do on the ball on the way up
A star of radius 1 × 10^6 km rotates about its axis with a period of 48 days. Estimate the period of the neutron star
Young's Double Slit Experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The fifth interference minimum is observed 7.50 mm from the central maximum. Resolve the spacing of the slits.
Jack and Jill ran up the hill at 3.3 m/s . The horizontal component of Jill's velocity vector was 2.0 m/s. What was the angle of the hill? Illustrate what was the vertical component of Jill's velocity?
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