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Question: A) To get to a concert in time, a harpsichordist has to drive 114 mi in 2.15 hours. If he drove at an average speed of 58.0 mi/h in a due west direction for the first 1.45 h, what must be his average speed if he is heading 29.8° south of west for the remaining 42 min? Give answer in mi/h. Do not enter unit. = 42.7 mi/h
B) What is his average velocity for the entire trip? Give answer in mi/h, do not enter unit.
C) What is the direction of this entire trip?
A test charge of +2*10^-7 C is located 5cm to the right of a charge +1*10^-6 C and 10 cm to the left of a charge -1*10^-6 C. The three charges lie on a straight line
Draw the free-body diagram of the system and find the value of the force F acting on the piston C.
Two loudspeakers are mounted on a merry-go-round whose radius is 9.01 m. When stationary, What is the beat frequency that is detected by the listener when the merry-go-round is near the position shown
the stopping potential for electrons emitted from a surface illuminated by light of wavelength 484 nm is 0.600 v. when
An air-filled parallel-plate capacitor has plates of area 2.60 cm2 separated by 2.50 mm. The capacitor is connected to a 6.0 V battery. What is the charge on the capacitor
A 8cm radius disk with a rotational inertia of .12kgm^2 is free to rotate on a horizontal axis. A string is fastened to the surface of the disk and a 10kg mass hangs from the other end. The mass is raised by using a crank to apply a 9Nm torque to the..
a 40 g block of of ice is cooled to -72 C and then is added to 650 g of water in an 80 g copper calorimeter at a temperature of 24C, determine the final temperature of the system consisting of the ice
The metallic light-receiving surface within each tube is sensitive to light of wavelengths shorter than 605 x 10^2nm. The corresponding photon energy represents the minimum energy to eject a photoelectron. What is the minimum photon energy in elec..
How to find out the force of friction
Photographic cameras on spy satellites supposedly can read the license plate of a car on the ground. How large is the diameter of the camera required for such a feat
A very long solenoid with a circular cross section and radius r= 8.1cm with n= 1.90E+4 turns/m has a magnetic energy density uB= 5.70 mJ/m3. What is the current in solenoid.
Write and submit a 2 to 3 pages paper that addresses the following:
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