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A 2190 kg car moving east at 10.4 m/s collides with a 3170 kg car moving east. The cars stick together and move east as a unit after the collision at a velocity of 5.94 m/s.
a) What is the velocity of the 3170 kg car before the collision? Answer in units of m/s
b) What is the decrease in kinetic energy during the collision?
Unpolarized light of intensity I0 is incident on a series of four polarizers, What fraction of the incident light will pass through the series
What is the linear speed of a point on the equator, and on the Arctic Circle (latitude 66.5 degrees) and (c) at latitude of 45 N, due to the earth's rotation
A person walks 25.0° north of east for 2.70 km. How far would the person walk due north and due east to arrive at the similar location.
A 3.8-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,078oC is placed on top of a 2.4-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). What is the speed at which the satellite travels
A student makes a simple generator by using a single square loop 24 cm on each side. The loop is then rotated at a frequency of 60 Hz in a magnetic field of 0.044 T.
Iterates until convergence is reached (the previous guess for the velocities is not significantly different from the current guess and calculates the friction factor for the current guess of velocities.
A rectangular fish tank measuring 0.85 m \times 0.45 m is filled with water to a height of 59 cm. What is the gauge pressure on the bottom of the tank
A dynamite blast at a quarry launches a rock straight upward, and 2.3 s later it is rising at a rate of 18 m/s, calculate blast speed at launch
David is driving a steady 28.0m/s while he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
A 66-kg man standing on a scale in an elevator notes that as the elevator rises, What is the acceleration of the elevator
Block A of Figure has a velocity of 15 ft/sec down slope. How far will the block slide along the slope? How far will the block slide along the slope before stopping?
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