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If a bungee cord is stretched horizontally to a length of 2.6 , the tension in the cord is 1.9 . A transverse pulse on the cord makes a round trip in 1.5 . A pulse makes the round trip in 1.5 if the cord is stretched to a length of 3.5 .
What is the tension in the 3.5-m-long cord?
A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father, What are the original speeds of (b) the son
A plane is flying in the horizontal plane. At time t1 = 0 s with the components of its velocity are vx = 100 m/s and vy = 120 m/s. What was the change in the direction of the velocity
The prong of the tuning fork moves back and forth when it is set into vibration. what is the frequency of the tuning fork
A ray of light is incident at an angle of 30 deg. to the normal on an air glass interface. find the angle the refracted ray makes to normal
A 318 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 624 mmHg. compute the moles of Ar present.
Four charges of equal magnitude Q = 65 nC are placed on the corners of a rectangle of sides D1 = 25 cm and D2 = 10 cm. calculate the numeric value for the horizontal force in N
Solar Energy Reaches the earth at the rate of about 1400 watts per sqaure meter of surface perpendicular to the direction of the sun. By how much does the mass of the sun decrease
A 20.0 kg mass at rests decays into a particle that is moving at 0.30c. What is the mass of this new particle
Radiation can supplement the energy needs of a home's water heater, Find what volume of water can be heated per hour from a temperature of 16.0oC to a temperature 61.0oC
Suppose you're skiing up a 20m tall slope at the indicated angle of inclination. What minimum initial speed must you have at the bottom to just make it to the top
A novice skier, starting from rest, slides down a frictionless 35° incline whose vertical height is 118 m. Explain how fast is she going when she reaches the bottom? Illustrate what was the initial speed of the arrow?
In a tug of war, each man o a 5-man team pulls with an average of 500N. What is the tension in the center of the rope
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