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A student uses a magnifying glass to examine the details of a microcircuit in the lab.
a)If the lens has a power of 10 D and a virtual image is formed at the student's near point (25 cm), how far from the circuit is the lens held?
b)What is the angular magnification?
When additional mass is added to the piston, the height of the piston decreases to 16.4 cm. Find out the new pressure applied by the piston.
How fast does water flow from a hole at the bottom of a very wide, 2.7 meter deep storage tank filled with water
Find the smallest radius of an unbanked track around which a bicyclist can travel if her speed is 31 km/hand the μs between tires and track is 0.31
Completely polarized light is passed through a polarizing sheet. The light that passes though has an intensity of 50% of the incident beam. The angle between the direction of the polarization of the incident beam and the direction of the polarizat..
A patients blood pressure is measured as 140 / 80, measured in level with the heart. What would you expect the blood pressure to be at the top of the head if there is a 45cm height difference in the two points. Density of blood is 100kmm-3. Give r..
In diving to a depth of 331 m, an elephant seal also moves 337 m due east of his starting point. What is the magnitude of the seal's displacement
A load of bricks with mass = 15.8 hangs from one end of a rope that passes over a small, frictionless pulley. What is the tension in the rope while the load is moving
One argument against Darwin's theory of evolution draws upon the second law of thermodynamics. Does this mean that organisms violate the Second Law of Thermodynamics
Kevin has a mass of 94.0 kg and is skating with in-line skates. He sees his 28.50 kg younger brother up ahead standing on the sidewalk, find Kevin's speed just before he grabbed his brother
A copper rod has a length of 1.6 meter and a cross-sectional area of4.8 x10-4 m2. What is the mass of ice per sec that melts
You are driving a car which is heading 20 m/s towards a brick wall. You sound a horn which emits at a frequency of 400 Hz when at rest. What is the beat frequency that you hear
A woman stands on a scale in a moving elevator. Her mass is 55.0 kg, and the combined mass of the elevator and scale is an additional 755 kg. What does the scale read (in N) during the acceleration
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