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A compound microscope has objective and eyepiece focal lengths of 6.5mm and 2.2cm , respectively.
Part A If the lenses are 10cm apart, what is the magnification of the instrument?
A home-run baseball is hit with an initial speed vo=37.0 m/s at an initial angle qo=53.1o. Find the time when the ball reaches the highest point of its flight, and find its height at this point
5.00 g of ice at -10.0 celsius are added to 20.0 mL of hot coffee at 60.0 celsius, What is the final temperature of the coffee
Charges +Q and +3Q are separated by a distance 2m. Find the location and value of the third charge in terms of Q
A 31 kg child sits in a swing supported by two chains, each 4.5 m long. If the tension in each chain at the lowest point is 243N, find the childs speed at the lowest point
A car travels due east with a speed of 44.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain
A beam of protons, each with kinetic energy of 40MeV, approaches a step potential of 30MeV. What fraction of the beam is reflected and transmitted
A traveler flew due east from city A to city B 150 miles away, and then made a connecting flight to city C 250 miles away in a direction that is 60o north of west, Find the net displacement of the person
You take a trip to Pluto and back (round trip 11.5 billion km), traveling at a constant speed (except for the turnaround at Pluto) of 44500 km/hr. How long does the trip take, in hours, from the point of view of a friend on earth
A long, straight telephone cable contains six wires, each carrying a current of 0.300A, If the currents in all six wires are in the same direction, what is the magnitude of the magnetic field 2.70 m from the cable
A plane, diving with constant speed at an angle of 49 ° with the vertical, releases a projectile at an altitude of 570 m. The projectile hits the ground 7.0 s after release.
A force gives a 100-kg mass an acceleration of 2 m/s2. If the same force acts on a mass of 1000 kg, what acceleration does it produce
A bullet of 0.0500 kg is fired into a block of wood. Knowing that the bullet left the gun with a muzzle velocity of 350. m/s, find The average force required to stop the bullet
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