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Lottery sales. States sell lots of lottery tickets. Table 10.2 shows where the money comes from in the state of Indiana. Make a bar graph that shows the distribution of lottery sales by type of game. Is it also proper to make a pie chart of these data? Explain.
Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2kg block.How much force does the 4 block exert on the 6.0 block.
Consider a visual binary star system with a period of 55.41 years. Its measured trigonometric parallax is 0.4217'' and, assuming that the plane of the orbit is in the plane of the sky, the true angular extent of the semi-major axis is 6.69''.
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. The temperature of the gaseous planet varies linearly with the height of the atmosphere.
Small spheres of diameter 0.92 mm fall through 20°C water with a terminal speed of 0.90 cm/s. Calculate the density of the spheres
a moon probe falls to the moons surface from an orbital height of 16 km. what is the final velocity ms as it hits the
An electron is confined in a one-dimensional box. Two adjacent allowed energies of the electron are 2.8x10^-19 J and 3.5x10^-19 J. What is the length of the box
a 112-cm-long rod is rotating around its center. its mass is 291 g and its angular velocity is 30 rads. suddenly for no
When a potential difference of 188 V is ap- plied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of magnitude 43 nC/cm2. What is the spacing between the plates
The figure shows the blade of a chain saw. The rotating sprocket tip at the end of the guide bar has a radius of 0.0343 m. Find the angular speed of the sprocket tip in rev/s
Chinook salmon are able to move upstream faster by jumping outof the water periodically; this behavior is calledporpoising. Determine the average speed of the fish
A spring system consists of a stationary spring and a 100-gram mass attached to one end that slides along a horizontal frictionless surface, How much total energy is in the spring
Light from a laser strikes a diffraction grating that has 4250 grooves per centimeter. Find the wavelength of the laser
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