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The spaceship Intergalactica lands on the surface of the uninhabited Pink Planet, which orbits a rather average star in the distant Garbanzo Galaxy. A scouting party sets out to explore. The party\'s leader–a physicist, naturally–immediately makes a determination of the acceleration due to gravity on the Pink Planet\'s surface by means of a simple pendulum of length 1.19 m. She sets the pendulum swinging, and her collaborators carefully count 104 complete cycles of oscillation during 201 s. What is the result?
Type A nerve fibers in humans can conduct nerve impulses at speeds up to 140m/s, How fast are the nerve impulses in miles per hour
A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Determine the specific heat of the unknown second sample
A hiker's trip consists of three segments. Path A is 8.0 km long heading 60degrees north of east. Path B is 7.0km long in a direction due east. Path C is 4.0 km long heading 315 degrees counter clockwise from east.
In 1975 the roof of Montreal's Velodrome, with a weight of 360 kN, was lifted by 10 cm so that it could be centered. How much work was done on the roof by the forces making the lift.
Monochromatic light falling on two slits 1.5×10?2mm apart produces the fifth-order fringe at an 8.9?angle.
To initiate a nuclear reaction, an experimental nuclear physicist wants to shoot a proton into a ^12 C nucleus. With what speed must the proton be fired toward the target
Pluto spins about its axis with a period of approximately 6.39 Earth days. What is the rotational angular speed of Pluto
A fixed 17.3-cm-diameter wire coil is perpendicular to a magnetic field 0.49T pointing up. In 0.15s , the field is changed to 0.33T pointing down. obtain the average induced emf in the coil
Due to a tune-up, the efficiency of an automobile engine increases by 3.50 %. For an input heat of 1260 J, how much more work does the engine produce
The radius of a park merry-go-round is 2.4 m. To start it rotating, you wrap a rope around it and pull with a force of 260 N for 11 s. What is the moment of inertia of the merry-go-round
A converging lens of focal length 39 cm is placed next to a converging lens of length 55 cm. What is the effective focal length for this combination
Omega resistor using a voltmeter having an internal resistance of 10.0 Omega. Elucidate what is the potential difference does the voltmeter measure across the 5.00 Omega resistor?
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