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A.) A block of weight 46.7 N is hanging from a rope. The tension in the rope is 32.5 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block? B.) A block of mass 3.10 kg is hanging from a rope. The tension in the rope is 14.3 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block? C.) A block of weight 39.0 N is hanging from a rope. The tension from the rope is pulling upward on the block. The block is accelerating upward at a rate of 1.23 m/s2. What is the magnitude of the tension in the rope?
While sitting in your car by the side of a country road, you see your friend, who happens to have an identical car with an identical horn, approaching you. How fast is your friend approaching you
Two cars approach an ice-covered intersection. One car, of mass 1.27 103 kg, is initially traveling north at 12.1 m/s, Find the velocity of the center of mass of the two-car system just after the collision
The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Suppose that only static friction supplies the centripetal force, & find the radius r of the tyre.
A point charge 8.00 nC is at the center of a cube with sides of length 0.200m. what is the electric flux through: (a) the surface of the cube (b) on of the six faces of the cube?
A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m above the floor when it is in the target holder, What is the kinetic energy (in joules) of the target ball just after it is struck
The area of a room floor is 25ft^2. How many square meters are on the floor? a)7.6m^2 b)2.3m^2 c)82m^2 d)2.6*10^2m^2 e)none
The capacitor in an LC circuit has a maximum charge at t= 1 ms. What is the circuit's period of oscillation
Two people stand 3 m in front of large plane mirror and space 5m a part in dark room at what angle of incidence should one of them shine a flashlight on the mirror so that reflected beam directly strickes the other person.
Two musicians are comparing their clarinets. The first clarinet produces a tone that is known to be 442Hz, If the second clarinet produces a higher pitched tone than the first clarinet, what is the second clarinet's frequency
An astronaut is rotated in a horizontal centrifuge at a radius of 7.5 m. (a) What is the astronaut's speed if the centripetal acceleration has a magnitude of 5.4g? (b) How many revolutions per minute are required to produce this acceleration.
A 563 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.9 meters
What diameter has the tip of the minute hand with 100mil/hr tangential speed? Illustrate what diameter has the tip of the hour hand with 100mil/hr speed?
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