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A horse is capable of moving at four different speeds: walk (1.9 m/s), trot (5.0 m/s), canter (7.0 m/s), and gallop (12 m/s). An is learning how to ride a horse. She spends 15 minutes riding at a walk and 1.8 minutes at each other speed. If she traveled the whole way in the positive direction, what was her average velocity over the trip?
I just got this wrong for the third time. A u-tube manometer is used to measure the pressure of a vessel under vacuum. Assume the manometer is open to atmospheric pressure.
What are the original charges on each sphere
An object has a kinetic energy of 313 J and the momentum of magnitude 24.1 kg·m/s. Find out the speed and the mass of the object.
Consider a violin string with a vibrating length of 30 cm. If the speed of a wave on this string is 250 m/s, what is the tension in the string? Hint: You will have to estimate the diameter of the string. Assume the density is the same as that of s..
When light with a wavelength of 206 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 2.57 x 10-19 J. find the wavelength (in nm) of light that should be used to double the maximum kinetic energy of ..
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
A wave of amplitude 0.40 m interferes with a second wave of amplitude 0.3 m traveling in the same direction. (a) What is the largest resultant amplitude that can arise.
The normal cash price for this type of equipment is $125,000 while the cost to Perry was $105,000. For the year ended December 31, 2011, illustrate by what amount will Perry's pretax earnings increase from this lease?
State the maximum height in terms of a, t_1, and/or g. Note that in this problem, g is a positive number equal to the magnitude of the acceleration due to gravity.
A dog chasing a ball starts at rest and accelerates uniformly over a distance of 5 meters. It takes the dog 1 s to cover that first 5 m. What is the dog's acceleration, and what speed is the dog traveling when it reaches the 5 m point?
Calculate the pressure at the center of pipe A. Suppose T = 10?C.
define what is the unknown capacitance. what focal length eyepiece should she use.
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