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A car with a mass of 1300 kg decreases its forward speed from 22 m/s to 14 m/s in 4.0 seconds. What are the magnitude and direction of the net force on the car?
A transverse periodic wave described by the expression y= 5sin(pi*x/3 - 30*pi*t) is established on a string. What is the length in meters of the string
On a cello, the string with the largest linear density (1.54 10-2 kg/m) is C string. This string produces a fundamental frequency of 63.4 Hz and has the length of 0.795 m between the two fixed ends. Find tension in the string.
A particle moves along the x axis. It is initially at the position 0.190 m, moving with velocity 0.250 m/s and acceleration -0.350 m/s2. Find the angular frequency of the oscillation
The length of a hollow pipe is 658 cm. The air column in the pipe is vibrating and has four nodes. Find the frequency of the sound wave in the pipe
A black thin-walled cylindrical can, 10.0 cm in diameter and 20.0 cm tall is filled with water at 100°C and suspended in a 20°C room. Determine the initial rate of heat transfer due to radiation
Compute the electric field needed to cause that acceleration, and the amount of charge that the Van de Graaff had accumulated. Note: Van de Graaff has a radius of 0.150 m.
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel
A coin with a diameter of 3.00 cm rolls up a 30.0 degree inclined plane. The coin starts with the initial angular speed of 60.0 rad/s and rolls in a straight line without slipping. How far does it roll up the inclined plane.
A swimming pool has dimensions 32 m 11 m and a flat bottom. When the pool is filled to a depth of 2.10m with fresh water, what is the force caused by the water on the end that is 11m.
A suitcase is pulled by a tether that makes a 60 degree angle with the horizontal. what is the magnitude of the pull
A microscope has an objective lens of focal length 6.55 mm. The objective forms an image 16.2 cm from the lens. What is the distance between the lenses
A 2.0-kg object is at rest at the top of an inclined plane that makes an angle of 30° with the horizontal and which has a rise of 0.40 m. How much work is done by the object in sliding down the inclined plane
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