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Question: On one side of the paper solve it using position versus time graphs and on the back side solve it with velocity versus time graphs. You will be graded on your ability to communicate a solution using the graphs. PJ can run at a speed of 1.80 m/s, while you can run at 2.50 m/s. Not being as young as a two-year-old, you tire of the running and decide to take a rest. But PJ is not done. He runs by you and 16.0 seconds later you notice he isn't stopping and is running straight for a busy road. Despite your pleas for him to stop he keeps running. How long will it take you to catch him and how far will you need to run?
A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration of 1.5rad/s2. What is the tangential acceleration of the discus thrower at this point
A wave with a power of 100 W passes through a square 10 cm on a side. What is the intensity (in W/m2) of the wave
A certain species of ionized atoms produces an emission line spectrum according to the Bohr model, but the number of protons Z in the nucleus is unknown. A group of lines in the spectrum forms a series in which the shortest wavelength is 10.13nm and ..
Two identical positive charges exert a repulsive force of 6.6 x10-9 N when separated by a distance of 5.4 10-10 m. what is the charge of each.
How to convert from a displacement vs time graph given, to velocity AND acceleration vs time graphs?
(i) Calculate the average velocity of the wrench during the 1.429 second interval. (ii) Calculate the instantaneous velocity of the wrench when it passes the second observer. (iii) Calculate the vertical distance the wrench has fallen from the point..
A beaker of mass m-beaker containing oil of mass m-oil (density = p-oil) rests on a scale. A block of iron of mass m-iron is suspended from a spring scale and completely submerged in the oil. Determine the equilibrium readings of both scales.
A loaded penguin sled with weight W rests on aplane inclined at angle θ to thehorizontal (Fig. 6-28). Between the sled and the plane, the coefficient of static frictionis µs, and the coefficient ofkinetic frictionis µk.
The pendulum bob of mass m is projected from rest at A by the spring with stiffness k that is compressed a distance δ. For the first part of the motion, the cord is wrapped around the peg at D, giving the pendulum a length of l. After the cord rea..
two 2.20 cm x 2.20 cm plates that form a parallel-plate capacitor are charged to -0.708 nc . what is the electric field
Your roommate is working on his bicycle and has the bike upside down. He spins the 56.0cm -diameter wheel, What is the pebble's acceleration
A classical particle of mass m moves in 1 dimension and is attached to an ideal spring of spring constant mw_0^2 . Ignore friction. Take the equilibrium position of the particle to be the origin of the particle’s position x.
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