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An athlete executing a long jump leaves theground at a 30° angle and travels 6.80 m. If this speed were increased by just5.0%, how much longer would the jump be?
______ m
A soap film of index 1.34 has a region where it is 550.0 nmthick. Determine the vacuum wavelengths of the radiation
An Earth satellite has a speed of 29500 km/hr when it is at its perigee, 230 km above Earth's surface. Find the apogee distance, the speed at apogee, and the period of revolution.
To strech a spring 6.00cm from its unstreched length, 16.0J of work must be done. What is the force constant of this spring
A heat engine does 376.88 J of work per cycle while exhausting 648.92 J of heat to the cold reservior. what is the cold reservior temperature in degrees Celsius
A horizontal magnetic field of 1.0 x 10-4 T is at an angle of 30o to the direction of the current in a straight wire 75 cm long. If the wire carries a current of 15 A
After the Sun exhausts its nuclear fuel, its ultimate fate will be to collapse to a white dwarf state. Calculate the surface free-fall acceleration
The middle C string on a piano is under a tension of 706 N. The period and wavelength of a wave on thisstring are 3.82 10-3 sand 1.26 m, respectively. Find the linear density of the string
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min. Find the drill's angular acceleration
An oil slick on water is 120nm thick and illuminated by white light incident perpendicular to its surface. What color does the oil appear (what is the most constructively reflected wavelenth), given its index of refraction is 1.40?
A light beam strikes a piece of glass at a 50.00 degree incident angle. The beam contains two wavelengths, 450.0 nm and 700.0 nm, What is the angle between the two refracted beams
A sheet of plywood 1.39 cm thick is used to make a cabinet door 55.5 cm wide by 69.5 cm tall, what is the moment of inertia of the door about the hinges
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 22.0 m/s. With what speed and angle of impact does the stone land
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