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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?
(a) ____kJ/s;
(b) ____kW.
I want help to find the rate of work done by the air resistance.
The current in a 100 watt lightbulb is 0.700A . The filament inside the bulb is 0.120mm in diameter. What is the electron current in the filament
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a a reversible heat pump is used to maintain a temperature of 0c in a refrigerator when it rejects the heat to the
two shuffleboard disks of equal mass one orange and the other yellow are involved in an elastic glancing collision. the
A car with fuzzy dice hanging from the rear view mirror by a single string drives along at a constant 25.0 m/s. If the dice have a mass of 0.030 kg, what is the angle of the string (relative to vertical)
Atennis ball of mass 5.5*10-2and a speed of 39 M/s strikes a wall at a 45 degree angle, what is the direction of of the balls impuse in relation to the wall
An alpha particle (a helium nucleus) is traveling along thepositive x-axis at 1175 m/s when it enters a cylindrical tube ofradius 0.400 m centered onthe x-axis. How far does the particle travel before hitting the tube wall
When point charges q1 = +2.1 ?C and q2 = +8.1 ?C are brought near each other, each experiences a repulsive force of magnitude 0.66 N. Determine the distance between the charges.
a concrete block with a specific weight of 23.6 knm3 is suspended by a rope in a solution with a specific gravity of
A Stuntman with mass 75.0 kilogram falls from a height of 26 m onto several mattresses and compresses it 0.875 meter before he is brought to rest, find the average force exerted by mattresses on the stuntman
Spider silk has a Young's modulus of 4.0x10^9 N/m^2 and can withstand stresses up to 1.4x10^9 N/m^2. what angle does the web make with the horizontal
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