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1. A cable stretches by an amount d when it supports a crate of mass M. The cable is then cut into three equal pieces. If the same crate is supported by any one of these pieces, by how much will the cable stretch?
2. A cable stretches by an amount d when it supports a crate of mass M. The cable is replaced by another cable of the same material having the same length and twice the diameter. If the same crate is supported by the thicker cable, by how much will the cable stretch?
A rescue plane spots a survivor 132 m directly below and releases an emergency kit. how far away from the survivor will it hit the ground
Mr. Gewanter, who's mass is 60.0 kg, is doing physics demonstration in the front of the classroom. a) How much gravitational force does he exert on 55-kg Martha in the front row, 1.50m away? b) How does this compare to what he exerts on 65-kg Lest..
A uniform thin spherical shell has a raduis of 2.9 m and mass of 460kg and its center is located at the origin of a coordinate system. find the gravitional force of attraction between the two shells
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, determine the energy of the electromagnetic radiation
The critical angle for the total internal reflection at the liquid air interface is 42.5 degrees. (a) If a ray of light traveling in the liquid has an angle of incidence of 35.0 degrees at the interface, what angle does the refracted ray in the ai..
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the speed of the electron when it strikes the second plate
Two waves are superposing y1 = (3 cm) sin [8.0/m x + 2.0/s t], and y2 = (3 cm) sin [8.0/m x - 2.0/s t], Write down the equation for the resultant wave
A small blob of putty of mass m = 80.0 gram falls from the ceiling and lands on the outer rim of a turntable of radius R =15.0 centimeter, Compute what is the post collision angular speed of the turntable-putty system
An unstable high-energy particle is created in the laboratory and it move at a speed of 0.962c. Determine the proper distance traveled
What is the largest mass of an asteriod that COULD be split 2hours from the Earth and have its two halves miss the Earth on both by 800 kilometers, What would the radius of this spherical asteriod be
An astronaut throws a ball upward on the moon at 3. 50 m/s. if the ball experiences a downward acceleration at a rate of 1. 62 m/s2, how fast is it moving when it returns to the astronaut.
A current sensitive circuit in a portable DVD player consists of anDC power source and a lightbulb that is used as a indicator light.If we add an inductor to the circuit, would the lightbulb shinebrighter, dimmer, or with the same intensity as bef..
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