What was your average velocity during braking
When you see a traffic light turn red you apply the brakes until you come to a stop. If your initial speed was 12m/s, and you were heading due west, what was your average velocity during braking? assume constant deceleration.
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The rate constant for a certain chemical reaction is 0.00250 M1 s1 at 25.0C and 0.0125 M1s1 at 50.0C. What is the activation energy for the reaction, expressed in kJ mol?
At a particular instant in time a particle has a velocity of 6.00 m/s. Over the next 4.00 s it experiences an average acceleration of -3.00 m/s2. Determine its velocity at the end of this three-second time interval.
A steel has a yield strength of 414 MPa, an ultimate tensile strength of 689 MPa, and an elongation at fracture of 15%. What is its approximate modulus of toughness?
Suppose 317 mL of 4.14 M HCIO4 Solution is added to enough water to make a total of 7.70 L. What is the molarity of HCIO4 in this new solution?
A ship sets out to sail to a point 107 km due north. An unexpected storm blows the ship to a point 126 km due east of its starting point. In what direction (as an angle from due east, where north of east is a positive angle) must it now sail to re
How to derive the constitutive expression for stress in a Newtonian fluid. How to derive Navier-stokes equation for compressible, incompressible, and invicid flows?
An aqueous solution of etanol, C2H5OH is 19% ethanol by mass and has density of 0.9700gml. Calculate the molality, molarity of the ethanol solution.
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