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Question: A body is supported by two cords, each of which makes an angle of 50° with the vertical. The tension in each cord is 65 N. What is the mass of the body? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
Her head has a mass of m = 4.70 kg (which is typical), and its center of mass is 11.0 cm from the pivot point P. Her neck muscles are x = 1.55 cm from point P, as measured perpendicular to these muscles. The neck itself and the vertebrae are held..
light rays in a material with index of refrection 1.25 can undergo total internal reflection when they strike the
Blocks A (mass 6.50 kilogram) and B (mass 12 kilogram) move on a frictionless, horizontal surface. Determine the velocity of each block after they have moved apart
The position of a particle is given by x = 3.1 cos t, where x is in meters and t is in seconds. Find the maximum speed and maximum acceleration of the particle. Find the speed and acceleration of the particle when x = 2.5 m.
A 765-kg two-stage rocket is traveling at a speed of 6.80×103m/s away from Earth when a predesigned explosion separates the rocket into two sections of equal mass that then move by a speed of 2.90×103m/s relative to each other along the original line..
A space traveler moving at a speed of 0.56c by respect to the earth makes a trip to a distant star that is stationary relative to the earth. He measures the length of this trip to be 7.9light-years.
An ideal fluid in a pipe of diameter 14cm is moving at 6.0 m/s. If the incompressible fluid density is 1.05g/cc, what is the flow rate in kg/s and what is the speed of flow if the pipe narrows to 4.0cm radius?
Bats can detect small objects such as insects that are of a size on the order of a wavelength. determine the smallest size insect they can detect
Two loudspeakers emit sound waves along the x-axis. A listener in front of both speakers hears a maximum sound intensity when speaker 2 is at the origin and speaker 1 is at x = 0.550 meter. Evaluate the phase difference between the speakers
A 73.0-kg parachutist falling vertically at a speed of 6.60m/s impacts the ground, what is the average force exerted on the parachutist by the ground
It is possible to calculate the coefficient of friction between a vehicles tires and the road by measuring the vehicles stopping distance. What is the cars acceleration while braking
what will be the induced emf magnitude in the short coil. A 77.9 kg fireman slides down a 4.13 m pole by applying a frictional force of 343 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches the ground.
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