A solid sphere, a solid cylinder, a spherical shell, and a hoop all have the same mass and radius. Each are rolling on a horizontal surface with the same center of mass speed, and then they roll up identical inclines. Which one goes the greatest distance up its incline?
a. the hoop
b. the solid sphere
c. the spherical shell
d. the cylinder
e. They all go the same distance up their inclines.
a
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Each pattern shown below would appear on a screen when monochromatic light of wavelength ? first passes through a narrow slit of width a and then strikes a screen. The darkest areas on the page represent the brightest areas on the screen. In which case does the slit have the greatest width?
A.
B.
C.
D.
E.
After striking a concave mirror, a paraxial beam of light passes through the mirror's focal point
Indicate whether the statement is true or false
A projectile is fired over a horizontal surface at an angle of elevation of 70°. Neglecting air resistance, what are possible angles in flight between the acceleration vector and the velocity vector?
a. 170° and 40° c. 90° and 15° b. 120° and 70° d. none of the above
Mars undergoes seasons because of its eccentric orbit that carries it to widely different distances from the Sun, and because of its axial tilt which is similar to the Earth's
Indicate whether the statement is true or false