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A block of mass M slides down a frictionless plane inclined at an angle with the horizontal. The gravitational force is directed parallel to the plane in the same direction as the movement of the block. parallel to the plane in the opposite direction as the movement of the block perpendicular to the plane toward the center of the Earth.
in 1971 astronaut alan shepard took a golf club to the moon where the acceleration due togravity is about g6. if he
You have a 85.5-cm-long copper rod with a rectangular cross section of dimensions 5.21 cm by 7.45 cm. You maintain the ends of the rod at 48.7°C and 85.1°C, but otherwise insulate the rod from its environment. Find the heat current through the rod..
A satellite has a mass of 6155 kg and is in a circular orbit 4.76 × 105 m above the surface of a planet. What would be the true weight of the satellite if it were at rest on the planet's surface
In a skating stunt known as "cracking-the-whip," a number of skaters hold hands and form a straight line. estimate the magnitude of the centripetal force that acts on him
A light ray incident on equilateral glass prism, shows minimum deviation of 30degree. Calculate speed of light in glass
In an RC series circuit, ? = 12.0 V, R = 2.02 M?, and C = 2.33 µF. Find the maximum charge that will appear on the capacitor during charging
If a person eats a popsicle of mass 0.045 kg and temperature -10 C, then how much energy does this person use
The lowest outdoor temperature ever recorded on Earth was %u2212128.6 %u25E6F, recorded at Vostok Station, Antarctica, in 1983. What is this temperature on the Kelvin scale
An 78.0 N box is pulled21.0 m up a 30° incline by anapplied force of 101 N that pointsupward, parallel to the incline. calculate the change inthe kinetic energy of the box
a 26.79 g sample of a substance is initially at 23.6 c. after absorbing 1001 j of heat the temperature of the substance
a 100-w 120-v lightbulb has a resistance of 12 ohms when cold 20 degrees c and 140 ohms when on hot. calculate its
an electron moving through an electric field experiences an acceleration of 7100 times 103 ms2. find the magnitude of
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