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A mass-spring system oscillates with an amplitude of 3.40 cm. If the spring constant is 248 N/m and the mass is 421 g, determine the mechanical energy of the system.
Determine the maximum speed of the object.
Determine the maximum acceleration.
The highest string on a guitar has a vibrating length of 60 cm and a vibrating mass of 0.9 g. What is the wavelength of the waves on the string
A U-shaped tube open to the air at both ends contains some mercury with a density of 13,600 kg/m3. Calculate the gauge pressure at the water-mercury interface
A rock is thrown horizontally with a speed of 16 m/s from a vertical cliff of height 32 m, What is the velocity (magnitude and direction counterclockwise from the +x-axis, which is the initial horizontal direction in which the rock was thrown) of t..
A 1700 kg car travelling at a speed of 15m/s skids to a halt on wet concrete where f_k =.5. How long is the cars skid marks.
The mass of the Earth is 5.98 ? 1024 kg, and the mass of the Moon is 7.36 ? 1022 kg. Locate the center of mass of the Earth-Moon system as measured from the center of the Earth
A block of mass 0.379 kg is placed on the end of a spring which has a stiffness of 216 N/m. It is pulled down 4.40 cm and released. What is the period of oscillation
A canoe has a velocity of 0.37m/s southeast relative to the earth. The canoe is on a river that is flowing 0.47m/s, Find the magnitude of the velocity of the canoe relative to the river
Air (density = 1.29kg/m^3) passes over the top and bottom surfaces of an aircraft whose effective wing area is 75.5m2. what is the mass of the plane
A laser-beam is fired through the air into a solid block of diamond (don't ask where we got it, it's a secret). What is the angle of refraction within the diamond
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Estimate the density of the nucleus of an atom
A source produces sound waves of time period .001 second and wave length of 20 cm. find the time taken by sound waves to travel a distance of 800 metres.
Two resistors are connected in a series to a 15V battery. The voltage drop across the first resistor is 3.5V, What is the resistance of the two resitors
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