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a) If the rod is traveling in the +x-direction, find the rod's measured length when its speed is 0.1c.b) Find the rod's measured length when its speed is 0.5c.c) Find the rod's measured length when its speed is 0.9c.d) Find the rod's measured length when its speed is 0.99c.
A kangaroo can jump over an object 2.20 m high. What is the total time that it spends in the air
An object moving with uniform acceleration has a velocity of 14.0cm/s in the positive x direction when its coordinate is 2.76cm. if its x coordinate 1.85s later is -5.00cm, what is its acceleration? in cm/s^2
The wind exerts a force of 325N north on a sailboat, while the water exerts a force of 425 N west on the sailboat. Find out the magnitude and direction of the net force on sailboat.
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 14.70 of what would be found in a similar live animal. How old are these bones.
A brick of mass 1.21 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. What is the maximum speed the brick can have at the bottom of the circle before the cable will break
Starting from rest, a 4.80-kg block slides 2.00 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is ?k = 0.436. Determine the work done by the friction force
A puck of mass m = 1.90 kg slides in a circle of radius r = 23.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 3.80 kg by a cord through a hole in the table
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Determine the final mass of vapor in the tank
When his mom asked him why he is smoking he told her, "Don't worry mom, it is not that bad after all." Which term is being described in Trent's situation.
What is the energy stored in the inductor after the switch has been closed for a very long time? Take V = 15 V, R = 1400 ? and L = 20 mH
reneacute descartes is often called the father of modern philosophy. born into the french aristocracy in 1596
A widely used "short-wave" radio broadcast band is referred to as the 25-m band. What is the frequency of a 25-m radio signal
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