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Question: A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path
How much work was done by the air resistance during the entire path up and down?
An golf ball sits on the optical axis of a spherical mirror at a distance of 17 cm. A virtual image is formed a distance of 6 cm away from the mirror. What is the mirror's focal length (include sign if negative)
A dry cell does 7.5. J of work through chemical energy transfer 5 C between terminals of the cell. What is the electric potential between the two terminal.
An 7.17 kg block drops straight down from a height of 1.21 m, Find the maximum compression of the spring
A loop of diameter d = 12 cm, carrying a current I = 0.4 A is placed inside a magnetic field B = (0.2 T) i^+ (0.4 T) j^. What is the potential energy of the loop
Light of wavelength 565 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.569 cm. What is the wavelength of the second sourc..
A bullet of mass m = 8.00 g is fired into a block of mass M = 190 g that is initially at rest at the edge of a table of height h = 1.00 m (see figure below). The bullet remains in the block, and after the impact the block lands d = 1.50 m from the bo..
A 240g- mass is attached to a spring of constant k=5.6 N/m and set into oscillation with amplitude 25 cm. Determine the maximum force in the spring
A block M1 of mass 12.7 kg sits on top of a larger block M2 of mass 18.7 kg which sits on a flat surface. Find the magnitude of the acceleration of the upper block
A person travels by car from one city to another with different constant speeds between pairs of cities. Determine the distance between the initial and final cities along this route
A battery with an emf of 12.0 V shows a terminal voltage of 11.8 V when operating a circuit with four light bulbs each rated at 4 W (at 12.0 V) which are connected in parallel. What is the current in each bulb
A solar concentrating heat exchanger system directs sunlight onto a long,straight pipe. The pipe recieves 153.616 btu/h per foot of length. What is the entropy production
At what angle is the curve banked? The acceleration due to gravity is 9.8 m/s2.
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