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A math instructor's dead body (m= 80 kg ) is dragged across the ground with 30o and 500 N force by an angry student. The coefficient of friction among the lifeless body and the ground is µk = 0.60
1. What is the acceleration of the dead body?
2. Draw a picture forces acting on the dead body.
3. What size force does the dead body exert on the student?
A 60.0-kg woman balances on one heel of a pair of high-heeled shoes. If the heel is circular and has a radius of 1.00 cm, what pressure does she exert on the floor if she stands on one foot
You are traveling in a convertible with the top down. The car is moving at a constant velocity of 12.8 m/s, How far has the car moved when you get a chance to catch the tomato
A commuter airplane starts from an airport and takes the routeshown in fig. p3.13. the plane first flies to city A, located 275km away in a direction 30.0 degrees north of east. Next it fliesfor 170.0 km in a direction of 20.0 degrees west of nort..
A 24-kg boy stands 5 m from the center of a frictionless playground merry-go-round, Calculate the speed of the boy relative to the surface of the merry-go-round
Katie, a 30.0-kg child, climbs a tree a to rescue her cat who isafraid to jump 8.0m to the ground. How much work does Katie do inorder to reach the cat
Falls resulting in hip fractures are a major cause of injury and even death to the elderly. Obtain what acceleration does the hip undergo to reduce its speed to 1.3 m/s
A singly charged ion of mass m is accelerated from rest by a potential difference ?V. What is the ratio of the masses of the ions
A 1.4 kilogram 15 centimeter diameter solid sphere is rotating about its diameter at 70 rev/min. determine what is the new angular speed of the sphere
A 910 kg sports car collides into the rear end of a 2200 kg SUV stopped at a red light. calculates the speed of the sports car at impact
A vertical scale on a spring balance reads from 0 to 175. The scale has a length of 12 from the 0 to 175 reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.8.
A 0.015 kg record with a radius of 15 cm rotates with an angular speed of 33(1/3) rpm. Find the angular momentum of the record
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.8 m/s at an angle of 34.0° above the horizontal. Find the maximum height of the ball above the ground
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