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Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 3.60 m/s. Ignore frictional losses.
1) What is the height of the hill?
2) Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can when it reaches the bottom?
Earth-Moon Center of Mass The Earth has a mass of 5.98×1024kg, the Moon has a mass of 7.35×1022kg, How far from the center of the Earth is the Earth-Moon center of mass
An alpha particle is a helium nucleus that consists of two protons bound with two neutrons. An alpha particle moving through a perpendicular magnetic field of 1.2 T experiences an acceleration of 2200 m/s2. What is the alpha particle'sspeed?
A spring stretches by 0.0157 m when a 3.22-kg object is suspended from its end. How much mass should be attached to this spring
find the mass defect (in u) for (a) helium-3 (2He3), which has an atomic mass of 3.016 030 u, and (b) the isotope of hydrogen known as tritium (1T3), which has an atomic mass of 3.016 050 u.
A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.9t ? 3.5t2with x in meters and t in seconds. Determine its position when it changes direction
As a parallel-plate capacitor with circular plates 21 cm in diameter is being charged, the current density of the displacement current in the region between the plates is uniform and has a magnitude of 22 A/m2.
Design an optimal winter coat to keep you warm. Use the principle of heat transfer (conduction, convection, and radiation). Give description of how they affect the coat. What color should the coat be and what would it be made from?
An automobile traveling at 40.0 km/h has tires of 50.0 cm diameter. How far does the car move during the braking
a particle is projected up a plane that makes a 25deg angle with the horizontal. if initial velocity is 15 ms and
In a 1.32T magnetic field directed vertically upward, a particle having a charge of magnitude 8.00?C and initially moving northward at 4.78km/s is deflected toward the east. What is the sign of the charge of this particle
a 4.20-g bullet embeds itself in a 20.0-kg block which is attached to a horizontal spring with a force constant of 950
A spherical mirror is polished on both sides. When used as a convex mirror, the magnification is +1/7. Find the magnification when used as a concave mirror
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