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Suppose a 10 kg mass is hung from the end of a vertical oriented, massless spring. If the spring stretches 10 cm, what is the spring constant of the spring? 2) A 1- kg mass is placed at the end of a vertically oriented, massless spring. When the spring is stretched and let go, the mass at the end of the spring oscillates with a period of 2 seconds. What is the spring constant of the spring?
A 0.93-µF capacitor is charged by a 37.0-V power supply. Find the maximum current in the resulting oscillations
A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30 degress above the horizantal. If the ground is level, illustrate what is the maximum height reached by the projectile?
An extreme skier, starting from rest, coasts down a mountain slope that makes an angle of 25.0o with the horizontal. How fast is she going just before she lands
A transmission line that has a resistance of 0.5 omh per km of length is used to transmit 200 MW across 300 miles. what should be the transmission voltage
The velocity graph of a car accelerating from rest to a speed of 60 km/h over a period of 30 seconds is shown. Approximation the distance, d travelled throughout this period.
q1. a pipe open only at one end has a fundamental frequency of 241 hz. a second pipe initially identical to the first
A circular loop of wire has an area of 0.3 m2. It is tilted by 45° with respect to a uniform 0.40 T magnetic field. What is the magnetic flux through the loop
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, What is the source of the centripetal force acting on the riders
A 0.135kg ball is thrown straight up from 2.07m above the ground. Its initial vertical speed is 5.20m/s. Calculate the total work done by the force of gravity
The electric field near the middle of a long, thin, uniformly charged rod is 3.6x10^4 N/C at a distance of 9.50 cm from the rod. If the rod's length is 17.8 m
An atomic nucleus of mass 288 u moving at 405m/s emits an alpha particle of mass 4.0 u in the direction of its velocity. If the remaining nucleus slows to 360m/s, what velocity does the alpha particle have when it is emitted.
It is important for the body to have mechanisms to effectively cool itself; if not, moderate exercise could easily increase body temperatures to dangerous levels. by how much would his body temperature rise during this exercise
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