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A steel wire with linear density 1.5 g/m is under 600 N tension. What is the maximum power that can be carried by transverse waves on this wire if the wave amplitude is not to exceed 10% of the wavelength?
a spring without mass has natural length lo. one end is stuck to a fixed point and the other attached to a mass m. the
Problem 1: Two point charges are placed 2.0 cm apart. They are fixed in place so that they do not move. a. A small ball of charge 3.0 x 10-9 C is placed at point A. the ball is small enough that it can be treated as a point charge.
A 95.0-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, How much is the rope stretched when it breaks his fall and momentarily brings him to rest
a girl is sledding down a slope that is inclined at 30ordm with respect to the horizontal. the wind is aiding the
An electron confined in a one-dimensional box emits a 400nm photon in a quantum jump from n=1 to n=2. What is the length (L) of the box in nm
two point charges are placed along a horizontal axis with the following values and positions 3 microc at x 0 cm and -
q1. the rate of energy use in a typical house is about 2 kw. if the kinetic energy of a car mass 1456 kg is equal to
Two planes approach each other head-on. Each has a speed of 780 km/h, Compute how much time pilots have to take evasive action
a blue puck with mass 0.0400 kg sliding with a velocity ofmagnitude 0.200 ms on a frictionless horizontal air table
If you lie on the ground at night with no cover, you get cold rather quickly. Much of this is due to energy loss by radiation. Estimate the net rate at which your body loses energy by radiation to the night sky under these conditions
A crate of mass 2000 kg is hanging from a crane at the end of a cable 12 m long. what angle will the cable finally make with the vertical
The pressure in a gas thermometer is 4880 Pa at the freezing point of water. Find the pressure in this thermometer at the boiling point of water
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