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Two balls of masses Ma= 45 g and Mb= 65 g, are suspended. The lighter ball is pulled away to a 66 degree angle with the vertical and released.
A) What is the velocity of the lighter ball before impact?
B) What is the velocity of each ball after the elastic collision?
C) What will be the maximumm height of after the elastic collision?
A transverse wave on a string is described by the wave function y = A0sin(kx + ωt) where A0 = 0.425m, k = 0.895rad/m, Calculate the transverse speed of the element
An ideal Voltmeter is connected across the terminals of a 12 Volt battery and a light bulb with R = 4.5 ohms is also connected across the battery terminals, Find the power generated by the Emf of the battery
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
A cart of mass M = 1.2 kg can roll without friction on a level track. A light string draped over a light, frictionless pulley connects the cart to a hanger with mass m = 0.5 kg. The cart is released from rest, allowing it to roll, pulled by falling h..
show that the horizontal distance that the aircraft engine falls is 8400 m. If the airplane somehow continues to fly as if nothing had happened. where is the engine relative to the airplane at the moment the engine hits the ground?
How much work is required to pull him 75 m up a 30° slope (assumed frictionless) at a constant speed of 2.1 m/s? Your response differs from the correct answer by more than 10%. Double check your calculations. Illustrate what power must a motor have t..
What volume of space contains an energy equal. A car in stop-and-go traffic starts at rest, moves forward 12m in 8 seconds, then comes to rest again. The velocity-versus-time plot for this car is given.
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 17.0 m/s. With what speed and angle of impact does the stone land
A 75 kg person travels in a car at 50. mph over a hill. The radius of curvature at the peak of the hill is 90. m. What is the normal force of the seat pushing up on her
A stunt man whose mass is 70kg swings from the end of a 4.50m long rope along the arc of a vertical circle. Assume that he starts from rest when the rope is horizontal, find the tensions in the rope that are required to make him follow his circula..
A wave crest passes an observation point followed by a second crest. The time between crest is a period of 168.818 seconds. If the wave is traveling at a speed of 154.167 m/s, how long are the wavelengths?
A uranium-fuelled research reactor has a cubic shape with sides of length 1.0 m. estimate the power out of the reactor in units of watts
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