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A plane flies at 1.25 times the speed of sound. It's sonicboom reaches a man on the ground 1.00 min after the plane passesdirectly overhead. What is the altitude of the plane? Assume the speed of sound is 330m/s.
The length of a simple pendulum is .79 m and the mass at the end of the spring is .24 kg. what is the speed of the mass as it passes through the lowest point of the swing
A 120 granite cube slides down a 40 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 290 steel cube at rest. How high above the table should the granite cube be released to give steel cube a spe..
Determine the magnitude of the emf induced in the loop after exactly time 6 has passed since the circumference of the loop started to reduce.
A radiator with a constant temperature of 150o C has a surface area of 5.00 m2. Calculate its rate of heat loss by radiation to the environment
q1. a particular guitar string is supposed to vibrate at 195 hz but it is measured to actually vibrate at 210 hz. by
A sled weighing 200 N is held in place by static friction on a 15? incline, What is the coefficient of static friction between the sled and the incline
A high-pressure gas cylinder contains 50.0 L of toxic gas at a pressure of 1.80 ? 107 N/m2 and a temperature of 23.0°C. What is the final pressure if one-tenth of the gas escapes
What is the rotational kinetic energy of the Earth? Use the moment of inertia you calculated in Part A rather than the actual moment of inertia given in Part B.
If you put a 0.28 kg mass 15 cm from the axis of a massless disk, and you apply a 0.4 N force on a string wrapped at the disk's edge, what is the resulting angular acceleration
A hydrogen atom is in the 2s state. Determine the principal quantum number and the energy of the state
What is the smallest distance required to stop the plane
Calculate the force on the baby due to Jupiter if it is at its closest to the Earth, some 6.29x1011 m away, showing it to be comparable to that of the father
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