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A person going for a morning jog on the deck of a cruise ship isrunning toward the bow (front) of the shipat 1.5 {\rm m/s} while the ship ismoving ahead at 8.5 {\rm m/s}.a) What is the speed of the jogger relative to the water?
b) Later,the jogger is moving toward the stern (rear) of the ship. What isthe jogger's speed relative to the water now?
An oscillator with a mass of 500 g and a period of 0.50s has an amplitude that decreases by 1.0% each complete oscillation. If the initial amplitude is 20 cm, what will be the amplitude after 21 oscillations?
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm in simple harmonic motion, with frequency 122 Hz. find the magnitude of the maximum blade acceleration
An iron casting containing a number of cavities weighs 6500.0 N in air and 3500.0 N in water. What is the volume of the cavities in the casting
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 70.5 kg and a radius R = 0.625..
When two tuning forks of 146Hz and 161Hz, respectively, are sounded simultaneously, how many beats per second are heard.
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path. How much work was done by the air resistance during the entire path ..
a winch at point b is used to slide a box up a chute cd in a warehouse.the box wieghs 530lb and fits loosely against
Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. What should be the distance (in m) between the two swings
The average speed of a nitrogen molecule in air is about 6.70 ? 102 m/s, and its mass is about 4.68 ? 10-26 kg, What average force does the molecule exert on the wall
a long straight wire with radius r carries electric current i uniformly distributed over the cross section of the
A Carnot engine extracts 850 J from a 600 K reservoir during each cycle and rejects 450 J to a cooler reservoir. Find the temperature of the cool reservoir
Four identical metallic objects carry the following charges: +5.4 µC, +5.4 µC, -7.0 µC, and -1.6 µC. What is the final charge on each object
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