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The blades in a blender rotate at a rate of 6600 rpm. When the motor is turned off during operation, the blades slow to rest in 2.9 s what is the angular acceleration as the blades slow down in rad/s^2 .
A speedboat moving at 30.0m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy
a cylindrial tank being drained through a duct whose cross-sectional area is 3x10-4 m2. the velocity of the water at
A train moving at a constant speed of 58.0 km/h moves east for 32.0 min, then in a direction 46.0° east of due north for 24.0 min, and then west for 63.0 min. What is the average velocity of the train during this run?
A pacific north west home has a solar photovoltaic (PV) system that produces 10.45 MWh of usable electricity peryear. Their PV system is tied to the electrical grid, and all theenergy it produces is credited against their energy home consumption.
Two solid, uniform flywheels, each of mass 65.0 kg and radius 1.47 m, rotate independently around a common axis. Calculate the magnitude of the net angular momentum of the system
Assume the car is moving at 72 km/hr when the brake pedal is applied. Assume that the radius of the wheel is 15 cm. What is the maximum power.
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
n = 4.13 mol of Hydrogen gas is initially at T = 335 K temperature and pi = 1.73×105 Pa pressure. How much entropy did the gas emit
for safety in climbing a mountaineer uses a nylon rope that is 50 m long and 1.0 cm in diameter. when supporting a
A 2.00 kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. find the rate of change of the angular momentum of the sphere
a resistor is connected across the terminals of a 9.0-v battery which delivers 1.9 x 105 j of energy to the resistor in
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to49 m/s (around 110 mi/h) in a time of 8.5 s.The mass of the car and riders is 5500 kg. Find the average net force exerted on ..
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