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Find the minimal acceleration a of the block "A" along the horizontal so that masses 1 and 2 remain stationary with respect to the block "A".
A gymnast of mass 56.0 {rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 {rm m/s^2} for
The kinetic friction between the block and the surface is "u". Find the angle of the incline "a" so the block goes the minimal distance along the incline. Find the distance the block moves.
A 70 kg man weighs 686 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 12% of his body weight?
A ball is projected upward at time = 0.0 s, from a point on a roof 70 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is Consider all quantiti
Mutations in which genes lead to transformations in the identity of entire body parts?
A loop of area 0.07 m2 is rotating at 70 rev/s with the axis of rotation perpendicular to a 0.08 T magnetic ?eld. If there are 731 turns on the loop, what is the maximum voltage induced in it?
What hormone will she prescribe for her patient?
A 500.0 g pot of water at room tempature (20.0 degrees C) is placed on a stove. How much heat is required to change this water to steam at 100.0 degrees C?
Give the diagrams of epigeal germination
If it takes 2.90 min for the water to reach a boil, what volume of water, in cm^3, was in the kettle? Stainless steel is mostly iron, so you can assume its specific heat is that of iron.
A spacecraft is in empty space. It carries on board a gyroscopewith a moment of inertia of Ig = 18.5 kg·m2 aboutthe axis of the gyroscope.
What do you think are the chances of Vanessa's first sexual experience being enjoyable?
What is the maximum speed with which a 1200- car can round a turn of radius 71 on a flat road if the coefficient of static friction between tires and road is 0.45?
A 84g arrow is fired from a bow whose string exerts an average force of 115N on the arrow over a distance of 78cm. What is the speed of the arrow as it leaves the bow?
Living things are composed only of organic elements, whereas nonliving things are made up of inorganic elements
Find the energy delivered to the motor by electrical transmission in 3.90 h of operation.
describe one system that relies on diffusion for some aspect of its function
A skier moving at 4.60 m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.220 with her skis. How far does she travel on this patch before stopping?
In a ballistics test, a 24.0 bullet traveling horizontally at 1300 goes through a 20.0 -thick 450 stationary target and emerges with a speed of 900 . The target is free to slide on a smooth horizon
A rattle snake can strike with an acceleration equivalent to an increase in speed from 0 to 60mi/h in 1/2 s. if the rattlesnakes head weighs 0.33 lb, what average power does the rattlesnake generat
A square, 0.40 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 26.5 N lie
T pointed in the +y direction. The mass of the proton is 1.672 × 10-27 kg. What is the magnitude of the magnetic force on the proton?
What is the magnitude of the Poynting vector from the electromagnetic wave of this signal? What is the amplitude of the magnetic component of the signal?
Two carts on a frictionless airtrack approach each other and, upon collision, both stop still. If Cart One had three times the speed of Cart Two and the sum of their masses is 2.88 kg, what is the