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The drawing shows a person (weight W = 598 N, L1 = 0.829 m, L2 = 0.409 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position.
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What acceleration does a baseball of mass 0.25 kg experience when hit by a bat exerting a force of (magnitude) 162 N on the ball? Please provide work to explain
Reactions with little or no activation energy are the least affected by temperature. Why? If the reaction had NO activation energy would it be affected at all by temperature?
Question: The three 250g masses are connected by massless, rigid rods. What is the triangle's moment of inertia about the axis through the center? What is the triangle's kinetic energy if it rotates about the axis at 6. ...
Suppose the convention were adopted that defines W and W 0 in the first law of thermodynamics to be the "work done on the system by the surroundings." a. Write the first law with this alternate convention. b. Why do the ...
What is the (average) acceleration of a vehicle which speeds up from 22 m/s to 88 m/s in 21.2 seconds? please provide work to explain
Question: Some passengers on an ocean cruise may suffer from motion sickness as the ship rocks back and forth on the waves. At one position on the ship, passengers experience a vertical motion of amplitude 1.6m with a pe ...
Question: The nuclear mass of 141 Ba is 140.883 amu. Calculate the Binding energy per nucleon for 141 Ba. In J/Nucleon. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow ...
Problem: A block oscillating on a spring has a maximum speed of 20cm/s. What will be the block's maximum speed if its totalenergy is doubled? Explain. (in its simplest form of physics,please) The response must be typed, ...
Question: A rock thrown with speed 12.0m/s and launch angle 30.0 degrees (above the horizontal) travels a horizontal distance of d = 15.5m before hitting the ground. From what height was the rock thrown? Use the value g ...
In an attempt to skip a rock off the surface of a lake, you throw the rock from a height h=1.67 m above the lake surface with an initial speed of v0 = 6.85 m/s at an angle of θ=12.3° below the horizontal. How long until ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As