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Asteroid 433 Eros is one of the largest near-Earth asteroids. For purposes of this problem,assume it is spherical. The value of g at its surface is 0.0060 m/ and the escape velocity is only10.1 m/s. What is the mass of Eros? G=6.67x10^-11 Nm^2/kg^2.
At high noon, the Sun delivers 1.10-kW to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature?
An AC generator supplies an rms voltage of 220 V at 50.0 Hz. It is connected in series with a 0.600 H inductor, a 5.10 ?F capacitor, What is the average power dissipated in the circuit
A disk released from the top of an inclined plane has a speed of 6.32 m/s at the bottom. How high is the upper end of the inclined plane
Blocks with masses of 4.0, 8.0, and 9.0 are lined up in a row on a frictionless table. All three are pushed forward by a 16 force applied to the 4.0 block. How much force does the 8.0 block exert on the 8.0 block.
When only a resistor is connected across the terminals of an ac generator (117 V) that has a fixed frequency, there is a current of 0.490 A in the resistor. calculate the impedance of the series combination
A box is pushed across the floor, slide with a constant velocity, and is opposed by a friction force of 25N. What is the magnitude of the force? Choose the correct answer. A.Less than 25N B.Zero C.Greater than 25N D.25n
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..
q1. a boat with a flat bottom and its cargo weigh 6000n. the area of the boats bottom is 4m squared. how far below the
From what height will you have to drop the rock on Earth so that the fall-time on both planets is the same.
A rotating wheel requires 5.00 s to rotate 26.0 revolutions. Its angular velocity at the end of the 5.00-s interval is 99.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel
q1. a plate carries a charge of -3.9 microc while a rod carries a charge of 2.2 microc. how many electrons should be
A quantity of an ideal gas is contained in a balloon. Initially the gas temperature is 27°C, What is the new temperature of the gas
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