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Solve the all parts of given problem:
Problem: A 123-kg care package with a parachute is dropped from an airplane and reaches a terminal speed of 5.00 m/s.
Part A: What is the rate of its potential energy change?
Part B: What is the rate of work done by the air resistance?
I need help to find the rate of work done by the air resistance.
A cylinder of mass 8.0 kg rolls without slipping on a horizontal surface. At a certain instant its center of mass has a speed of 11.0 m/s. Determine the translational kinetic energy of its center of mass
During a solar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Moon between Earth and the Sun. What force is exerted by the Sun on the Moon
A mass is attached to a 25N/m spring. When the system oscillates the frequency of 2.0 Hz. evaluate what is the mass
Consider a reference frame associated with a free falling cabin , which is moving with an acceleration of g = 9.8m/s^2. At time t =0 the cabin is at rest. Will this object continue moving with a constant speed
The ammonia molecule NH3 has a permanent electric dipole moment equal to 1.47 D, where 1 D = 1 debye unit = 3.34 x 10-30 C-m. Calculate the electric potential in volts due to an ammonia molecule at a point 65.0 nm away along the axis of the dipole..
The Big Bang Theory suggests leftover background radiation. Find the wavelength of this radiation
Calculate the velocity of the object for an elapsed time.
A 2.2-kg cart is rolling along a frictionless, horizontal track towards a 1.9-kg cart that is held initially at rest. What was the velocity of the first cart when the second cart was still at rest
A 3.19 kilogram box is pulled from rest a distance of 5.73 meter on an ice covered (frictionless) surface by a horizontal force. Obtain the average pulling force exerted on the box
A 50-kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s. determine her altitude as she crosses the bar
A water line with an internal radius of 5.06 x 10-3 m is connected to a shower head that has 12 holes. The speed of the water in the line is 1.18 m/s. What is the volume flow rate in the line
The threshold of hearing in air corresponds to a frequency of 1000 Hz and an intensity of about 9.5 x 10?13 W/m^2 When someone under water hears such sound, what is the corresponding maximum displacement
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