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An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the objectis 1.25 m/s, and its maximum acceleration is 6.89 m/s2. How much time elapses between an instant when the object's speed isat a maximum and the next instant when its acceleration is at amaximum?
On a frozen pond, a 11.6 kg sled is given a kick that impartsto it an initial speed of vo = 2.15 m/s. find the distance the sled moves before coming to rest
A duck flying horizontally due north at 14.2 m/s passes over Atlanta, where the magnetic field of the Earth is 5.09×10-5 T in a direction 55.9° below a horizontal line running north and south. The duck has a positive charge of 3.28×10-8 C. What is th..
An accelerating voltage of 2.65 multiply.gif 103 V is applied to an electron gun, What is the magnitude of the deflection on the screen caused by the Earth's gravitational field
a uniform thin rod of length 0.50 m and mass 4.0 kg can rotate in a horizontal plane about a vertical axis through its center. what is the magnitude of the bullet's velocity just before the impact
You're designing a highway so that the maximum centripetal acceleration on a curve is no more than 1.0 m/s^2. What is the minimum curvature radius to accommodate a 100 km/h maximum speed? Please show the answer and how you got it!
A 0.289-kg coffee mug is made from a material that has a specific heat capacity of 990 J/kg C° and contains 0.304 kg of water. determine the minimum power rating of this heater
A horizontal 790-N merry-go-round of radius 1.60 m is started from rest by a constant horizontal force of 55 N applied tangentially to the merry-go-round
In an early test of sound propagation through the ocean, an underwater explosion of 1 pound of dynamite in the Bahamas was detected 3200 away on the coast of Africa
A 245 kg person lays on board that is supported only on the ends and that has a mass of 12.0 kg. what is the force on either side where the board is supported
A bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 m/s at the end of the ramp in 8 seconds. What is the bowling ball's original velocity
If the ambulance is moving toward you at a speed of 26.3 m/s and you are moving toward it at a speed of 16.0 m/s, find the wavelength and frequency of the sound you hear
An aluminum cup of mass 210 g contains 800 g of water in thermal equilibrium at 80.0°C. find At what rate is energy being removed by heat
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