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When two springs are in parallel, then: Group of answer choices
Both options labeled as (a) and (c)
(a) The equivalent modulus of elasticity of the two is computed by adding E1 and E2.
(b) The equivalent strain is the sum of strain in spring 1 and strain in spring 2.
(c) The stress in spring 1 is equal to the stress in spring 2.
One end of a rope is tied to a block of mass 4.6 kg and you pull straight up on the other end of the rope to lift the block up off of the ground with an acceleration of 3.8 m/s2. What force does the rope exert on the block
Mr. Smith is on top of a building launching water balloons. Let's assume he is 15 m above the ground and he is launching them at an angle of 30o above the horizon with a speed of 20 m/s. Compute how long will the balloons be in the air
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m x sin (6x10^6 Hz x t). how much energy does the foil absorb
The position of a 900 kg boulder's center of mass has been decided to within an uncertainty of 1.0 nm. What is the minimum uncertainty in the boulder's velocity?
our little sister builds 2 tree houses and stretches a rope between them for sending messages to other tree house. She hangs a mass of 1.4kg on one end of the rope that passes over the pulley.
Your Industry has just developed a new sports drink that is in a container which will keep it cool for up to 6 hours. Develop a marketing plan for this product and then write a 3 page paper describing how you would market the product.
At a wild-west show, a marksman fires a bullet at a12 g coin that's thrown straight up into the air. At what angle measured with respect to the horizontal does the bullet ricochet away from this collision
A 0.300-kg mass, attached to the end of a 0.750-m string, is whirled around in a smooth level table. If the highest tension that the string can withstand is 250 N, after that what highest linear speed can the mass have if the string is not to brea..
a bicycle has wheels with a diameter of 0.680 m. it accelerates uniformly and the rate of rotation of its wheels
If you put 200 grams of aluminum at 50ºC into a container with 100 grams of water at 20ºC and seal the container so no heat escapes
An asteroid of mass 51,000 kilogram carrying a negative charge of 12µC is 180 meter from a second asteroid of mass 56,000 kilogram carrying a negative charge of 12µC. find the net force the asteroid exerts upon each other
A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is initially at rest. Estimate the percentage of the initial kinetic energy transferred to the 10.0 g object
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