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after landing on an unfamiliar planet a space explorer constructs a simple pendulum of length 530 cm the explorer
a vertical scale on a spring balance reads from 0 to 150 n the scale has a length of 110 cm from the 0 to 150 n reading
a 200 g mass attached to a horizontal spring oscillates at a frequency of 20 hz at one instant the mass is at x 5 cm
a spring is hanging from the ceiling attaching a 480 g mass to the spring causes it to stretch 210 cm in order to come
an oscillator with a mass of 500 g and a period of 050s has an amplitude that decreases by 10 each complete oscillation
a cat drops from a shelf 37ft above the floor and lands on all four feet his legs bring him to a stop in a distance of
a 1280 n uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end a w 1820
equal charges are located at the vertices of a 3-4-5 triangle the charge experiencing the largest force is located at
three moles of a monoatomic ideal gas are placed in a portable container with a volume of 00035 m3 the temperature of
a cubical box with sides of length 0305 m contains 1760 moles of neon gas at a temperature of 285 k what is the average
two slits are illuminated with green light 540nm the slits are 005mm and the distance to the screen is 15m at what
suppose a 50 meter diameter telescope were constructed on the dark side of the moon the viewing there except for brief
a gas fills the right portion of a horizontal cylinder whose radius is 557 cm the initial pressure of the gas is 291 x
carbon tetrachloride ccl4 is diffusing through benzene c6h6 as the drawing illustrates the concentration of ccl4 at the
insects do not have lungs as we do nor do they breathe through their mouths instead they have a system of tiny tubes
a contact lens is made of plastic with an index of refraction of 150 the lens has an outer radius of curvature of 20cm
calculate the magnitude of the angular momentum of the mars in a circular orbit around the sun the mars has mass
the clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other find the wavelength
the gravitational acceleration at the surface of a planet is 185 ms2 find the acceleration at a height above the
a block is pushed up an incline the incline creates an angle of 220deg with the horizontal when the block is released
a speedboat moves on a lake with initial velocity vector v1x 835 ms and v1y -239 ms then accelerates for 681 seconds
during 973 seconds a motorcyclist changes his velocity from v1x -355 ms and v1y 125 ms to v2x -211 ms and v2y 275 ms
a turtle ambles leisurelyndashas turtles tend to dondashwhen it moves from a location with position vector r1x 197 m
after driving around and undergoing a displacement of rx 277 km and ry -145 km a driver finds herself at position r2x
a chipmunk scampers about collecting in its cheeks safflower seeds that the birds dropped from the feeder hanging