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A charge (uniform linear density = 7.60 nC/m) lies on a string that is stretched along an x axis from x = 0 to x = 2.00 m. Determine that magnitude of the electric field at x = 5.80 m on the x axis.
A simple pendulum has a length of 52.4 cm and makes 83.7 complete oscillations in 2.00 min. Find the period of the pendulum
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
The pilot of a small plane flies at 80 m/s on a day with no wind. If he first flies 60 degrees north of east for 6 minutes and then flies north for 4 minutes. How far from his starting point does he end up
A 70-kg man and a 55-kg woman holding a 2.50-kg purse on ice skates stand facing each other. What is the woman's recoil speed
When a person inhales, air moves down the bronchus (windpipe) at 14 cm/s. determine the pressure drop in the constriction
A string is stretched to a length of 19.6 cm and both ends are ?xed. If the density of the string is 0.045 g/cm, and its tension is 1080 N, what is the fundamental frequency
A certain brand of hotdog cooker works by applying a potential difference of 142 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced.How much electrical energy is transferred to thermal energy.
a 300g ball is tied to a string. it is pulled to an angle of 4.00 degrees and released to swing as a pendulum. a
A thin rod of length 0.75m and mass 0.42kg is suspended freelyform one end. It is pulled to one side and then allowed to swinglike a pendulum, how far above that position the center of mass rises
A cannonball (20kg) is shot from a cannon(200kg) with a velocity of 20m/s. what is the backwards velocity of the cannon
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley, Determine the acceleration of each object
A 3.0 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. What is the kinetic energy of the block as it passes through x = 4.3 m
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