To what maximum heightdoes the stone rise
A 8.3 kg stone at rest on a spring. The spring is compressed 11 cm by the stone. The stone is then pushed down an additional 26 cm and released. To what maximum height (in cm) does the stone rise from that position?
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A spring with k = 45 N/m hangs vertically next to a ruler. The end of the spring is next to the 15 cm mark on the ruler. If a 2.7 kg mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
A ceiling fan with 85cm diameter blades is turning at 62rpm. Suppose the fan coasts to a stop 29s after being turned off. 1. What is the speed of the tip of a blade 10s after the fan is turned off?
What is the tangential acceleration of a bug on the rim of a 7.0 in. diameter disk if the disk moves from rest to an angular speed of 76 revolutions per minute in 4.0 s?
A 90 kg airplane pilot pulls out of a dive by following, at constant speed, the arc of a circle whose radius is 330 m. The acceleration of gravity is 9.81 m/s2 . At the bottom of the circle, where her speed is 210 km/h, what is the magnitude of he
A block or aluminum with a mass of 1 kg is placed in a container filled with water to the brim. The water oerflows. The same is dont with a 1 kg of lead. Does the block of lead displace more, less or the same amount of water as the aluminume block
A 64 kg boy and a 40 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.9 m/s2, determine the magnitude of the acceleration of the boy toward the girl.
Give a counter example to show that the following statement is false: When the magnetic field through a loop changes, currents run in the loop in such a way as to make a new magnetic field in the opposite direction to the original one.
A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. If the original activity of the sample was 2.0 104 Bq, what is its activity (R) after it has been on the shelf for 2.0 h?
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