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Question: The motor of a ski boat generates an average power of 7.20 x 104 W when the boat is moving at a constant speed of 11 m/s. When the boat is pulling a skier at the same speed, the engine must generate an average power of 8.00 x 104 W.
Part A: What is the tension in the tow rope that is pulling the skier?
I need help to find the tension in the tow rope that is pulling the skier.
if i connect a large number of 80.0 of capacitors in parallel across a 320.0 v battery how many capacitors do i need to
Ethan, whose mass is 87 kg, stands at one end of a very long, stationary wheeled cart that has a mass of 650 kg. Ethan starts sprinting toward the other end of the cart. He soon reaches his top speed of 8.0 m/s, gauged relative to the cart.
q1. the pulley system is used to lift a 52 kg crate. note that one chain connects the upper pulley to the ceiling and a
water flowing through a hose at 4.0m/s fills a 600l child's wading pool in 8.0min. What is the diameter in cm of the hose
It takes the light emitted by the sun about 8.3 minutes to reach earth. How far is the sun from earth in km
Two beams of 1keV neutrons intersect at an angle of 30o. One beam has a neutron density of 1×106 neutrons/cm3. The other beam has a neutron density of 3×106 neutrons/cm3
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
A 75 kg window cleaner uses a19 kg ladder that is 5.1 m long. He places one end on the ground2.2 m from a wall, rests the upper endagainst a cracked window, and climbs the ladder. He is 3.5 m up along the ladder when the window breaks.
a c35 pf parallel plate capacitor has plates of area a402cm2. what is the electric field between its plates when it is
A 2.00 kg mass is connected to a spring with a spring constant of 900 N/m. The displacement is given by the expression x(t) = 12.0 cm sin(? t). What is the frequency of the simple harmonic motion?
An electromagnet is made by inserting a soft iron core into a solenoid. What is the relative permeability KB of the iron core
A train is traveling up a 3.3 incline at a speed of 3 when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest momentarily? How far did the last car travel before momentarily coming..
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