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A mass is attached to a spring of spring constant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 second to go back to its equilibrium position when it is oscillating. Evaluate what is the amplitude?
A boy on board a cruise ship drops a 30.0 g marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s?
A car travels at an average speed of 88.0 km/h for 1.00 h and then at an average speed of 40.4 km/h during a second hour. What is the car's average speed through the 2.00 h interval?
What mass of steam at 100 degrees Celcius must be mixed with 165g of ice at its melting point, in a thermally insulated container, to produce liquid water at 60 degrees celcius?
A solid 11-kg cylinder rolls without slipping on a rough surface. find the kinetic energy due to rotation of the block about its center-or-mass
Consider the following figure. (The four charges are at the corners of a square. Take q = 1.08 µC and Q = 2.30 µC.) In the figure, what are the magnitude and direction of the resultant force on q1? (Take q1 as the origin of the coordinate system and..
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0032 s. find the average force exerted on the ball by the club
A 17.5 kilogram block is at rest on a frictionless incline that makes an angle of 25.0 degress with respect to the horizontal. What is the magnitude of the horizontal force
a 15.0-kg satellite has a circular orbit with a period of2.27h and a radius of 7.90times106 m around a planet of
A rectangular billboard in space has the dimensions 10 meters by 20 meters. How fast and in what direction with respect to the billboard would a space traveler have to pass for the billboard to appear square?
A circular disk with a radius of 0.65 meters and mass of 0.26 kg has a hole cut in the middle.
Two point charges Q1 = -25 micro Coulombs and Q2 = +50 micro Coulombs, are separated by a distance of 12 cm. The electric field at the point P is zero. How far from Q1 is P?
A paperweight, when weighed in air, has a weight of W = 14.2 N. When completely immersed in water, however, it has a weight of Win water = 10.5 N. Find the volume of the paperweight.
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