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A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 7.9 meter waterfall. If the spy's speed is 17 m/s and the officials' speed is 29 m/s, determine how far apart will the two vessels be when they land below the waterfall?
An object has a kinetic energy of 313 J and the momentum of magnitude 24.1 kg·m/s. Find out the speed and the mass of the object.
A boat with a speed of 10.0 m/s aims directly across a 250-m-wide river. If the water current is 2.00 m/s, how far downstream will the boat be when it reaches the other side
A 58.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.38 102 m/s from the top of a cliff 156 m above level ground, What is the initial total mechanical energy of the projectile
In the distant future, a physics 360 student is rushing to her exam traveling in a spaceship at relativistic speed. Compute the wavelength she would have seen
Two equal charges separated by a distance of 1 meter experience a repulsive force of 1,000 newtons. What is the strength in coulombs on each charge
a flat surface having an area of 3.6 m2 is rotated in a uniform electric field of magnitude e 5.6 x 105 nc.determine
A steel wire is strung between two supports attached to aceiling. Initially, there is no tension in the wirewhen it ishorizontal. What is the radius of the wire
What must be the magnifying power of the eyepiece if the total magnification of the specimen is 100X
A source of sound waves of frequency 1.2 kHz is traveling during the air at 0.25times the speed of sound.What is the frequency of the sound received by a stationary observer if the source moves toward her?
a pendulum of period 2 s is released from rest at an inclination of 5 degrees to the downward vertical. what is its
A pot containing a plant, weighing 10 N is hung from ceiling with a group of bungee cords. If pulled down and released, the pot oscillates vertically by period T= 5s. What is the effective force constant k (in N/m) of the group of the bungee cords?
A car with a 65 cm diameter wheel travels 3.0 km. How many revolutions does the wheel make in this distance
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