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A 2.0 cm tall object is placed 5.0 cm in front of a +12 diopter lens.
A) draw a ray diagram for this situation
B) whwere is the object located? Compare your ray diagram distance with the calculated value.
C) What is the linear magnification?
The gravitational force between two masses M and m seperated by a distance r is 40 N. What is the new force when this distance is halved
To what distance x can a person who weighs 411-N walk on the overhanging part of the plank before it just begins to tip.
What was the take-off speed? If this speed were increased by just 5.0%, explain how much longer would the jump be?
A 35 g bullet moving at 475 m/s strikes a 4.20 kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 270 m/s. How fast is the bag moving when the bullet exits.
A 28.4kg beam is attached to a wall with a hinge and its far end is supported by a cable. what is the horizontal component of the force exerted by the hinge on the beam
Two identical light bulbs of 60w and 120v are connected in parallel and these arre then connected across a 120v power source
In a hydraulic system, the larger piston to be used to lift a 1670kg car has a diameter of 24.2cm, If instead compressed air at 115 psi of pressure is used, what is the largest mass car (in kg) that the system can lift
A block of ice at 0 degrees C, whose mass is initially 30.0 kg, slides along a horizontal surface, starting at a speed of 5.56 m/s and finally coming to rest after travelling 21.8 m. figure out the mass of ice melted (in grams) as a result of frictio..
Use Maxwell-Ampère's equation to calculate the maximum strength of the B-field on the perimeter of the plates; when is the B-field maximum
To stretch a spring 2.00 cm from its unstretched length, 15.0 J of work must be done, What is the force constant of this spring
If you detect a frequency shift of 195.4Hz in the 4000-Hz bell of a bicycle as it approaches and then leaves you, how fast is the bicycle going
A 45kg figure skater is spinning on the toes of her skates at 1.2rev/s . Her arms are outstretched as far as they will go. What is her new rotation frequency, in revolutions per second
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