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An officer hiding at an intersection observes a car run a red light at constant speed. The officer takes off in pursuit 2.0s after the car passes him. He accelerates at 6m/s^2 for 8.0 seconds then maintains that speed until he catches the car 1.0 minute later.
a. How far are both cars from the intersection?
b. How fast are both cars traveling?
An astronaut weighs 92.5 kg on earth. While floating in space he pushes the side of his spaceship with a force of 150 N for .20 seconds. Find the change of momentum of the astronaut
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A pipe is closed at one end. A speaker attached to an adjustable signal source is placed very near the open end. The volume of the speaker is set very low so that the sound can barely be heard. However, as the frequency of the source is adjusted i..
steam at 18mpa and 600 c is contained in a cylinder of volume 0.5m3 , calculate the heat rejected by the steam
For lead 82Pb207 (atomic mass = 206.975880 u) obtain the mass defect in atomic mass units,
A pendulum is modeled by a mass m, attached to one end of a light rod of lenght l, whose other end is attached to an axis. Write down the equation of motion (Newton's Law) modeling the pendulum. Rewrite the model as a system of two first order equ..
An airplane is flying over the countryside with a velocity of 85.0 m/s at an angle of 19.5o with respect to the horizontal. How far from the person will the crate land
What is the jet's acceleration and what is the jet's speed after it accelerates for 6 s - What is the net force on the motorcycle
A 10 kg block of ice slides along a frictionless surface that is inclined at a 60 degree angle with the horizontal. What is the weight of the block
Water from a garden hose that is pointed 28 degree above the horizontal lands directly on sunbather lying on the ground 3.9 meter away in the horizontal direction. compute at what speed does the water leave the nozzle
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