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The plot below shows the acceleration of a mouse in a long, straight burrow as a function of time; the velocity and the x-coordinate of the mouse at time t=0 are both zero.
(a) find the velocity of the mouse at time t=2s.
(b) Find the x-coordinate of the mouse at time t=4.0s.
(c) List the time of any turning points in the mouse's motion.
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1360 Hz. The bird-watcher, however, hears a frequency of 1430 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A physician is making an image with ultrasound of initial intensity 2000 W/m^2. What will be the intensity at this depth if the physician changes the frequency to 5.0 MHz
The side mirrors on cars are convex mirrors. If the side mirror on the driver side of your car has a focal length with a magnitude of 5.30 m, determine the image distance of the truck
Forces are vector quantities with units of Newtons (N); 9.8 N of force are required to support 1.0 liter of water near the surface of the Earth. In this question, you eventually have to add three forces acting on a particular object so as to find ..
An airplane travels 3100km at a speed of 790km/h, and then encounters a tailwind that boosts its speed to 990km/h for the next 2800 km. what was the average speed of the plane for this trip
A fisherman in a stream 36 cm deep looks downward into the water and sees a rock on the stream bed. How deep does the stream appear to the fisherman
Determine the absolute pressure at the bottom of a lake that is 50 m deep. Write yor answer correct to two decimal paces let Patm = 101,300 Pa
A tank contains mercury, whose density is 13,600 kg/m^3. Find the force exerted by the mercury on a circular plug
The muons created by cosmic rays in the upper atmosphere rain down uniformly on the earth's surface, although some of them decay on the way down, with a half-life of about 1.5?s (measured in their rest frame).
How does knowing the time constant of an RL or RC circuit help us decide the width of a practical pulse input that is short enough to provide a good approximation of an impulse? Illustrate your answer with a numerical example.
An electron of mass 9.11x10^-31 kg has an initial speed of 3.00x10^5 m/s. Determine the magnitude of the force exerted on the electron
A 4x 11 swimming pool slopes linearly from a 1.20 depth at one end to a 3.80 depth at the other. What is the mass of water in the pool.
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