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A 0.31 kg point mass moving on africtionless horizontal surface is attached to a rubber band whose other end is fixed at point P. The rubber band exertsaforce F = bx toward P,where x is the length of the rubber bandand b is an unknown constant. The mass movesalong the dotted line. When it passes pointA, its velocityis 3.6 m/s directed as shown.The distance AP is 0.6 mand BP is 1.0 m.
A gun shoots bullets that leave the muzzle at 213m/s. If a bullet is to hit a target 160.4m away at the level of the muzzle, the gun must be aimed at a point above target. (Neglect air resistance.)
A hydraulic system uses a large piston with a 1-m radius and a small piston with a 0.10-m radius. If the smaller piston is displaced two meters then how far is the larger one displaced
Gas is confined in a tank at a pressure of 10.7 atm and a temperature of 24.1°C. what is the new pressure in the tank
A 1,200 kg car going 25 m/s is brought to stop using its brakes. Let's assume that a total of approximately 20 kg of iron in the brakes, What was the car's original kinetic energy
A 0.65kg block of ice is sliding by you on a very slippery floor at 3 m/s. As it goes by, you give it a kick vertical to its path. Your foot is in contact with the ice block for 0.003 seconds.
Eight uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 6.53-V battery, Find the capacitance of each capacitor
Two small metallic spheres, each of mass m = 0.45 g, are suspended as pendulums by light strings from a common point. what is the magnitude of the charge on each sphere
You need to determine the density of a ceramic statue. If you suspend it from a spring scale, the scale reads 28.4N. What is the density
A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture
Find the slit width. compute the coefficient of kinetic friction between the slide and the child.
A motorboat is pointed due south, and its motor gives the boat a constant speed of 5.00 m/s through still water. Find the magnitude and direction of the boat's total velocity
One-eighth of a sample of Th remains undercayed after 54 days. What is the half-life of this thorium isotope
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