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The blades of a ceiling fan have a radius of 0.332 meter and are rotating about a fixed axis with an angular velocity of +1.70 rad/s. When the switch on the fan is turned to a higher speed, the blades acquire an angular acceleration of +1.17 rad/s2. After 0.596 second have elapsed since the switch was reset,
(a) Determine the total acceleration (in m/s2) of a point on the tip of a blade?
(b) Find the angle phi between the total acceleration and the centripetal acceleration?
An 8.68-kg block slides with an initial speed of 1.80 m/s down a ramp inclined at an angle of 26.3° with the horizontal. find the distance the block slides before coming to rest
Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.180g and a charge of magnitude q. Find the tension in each of the threads
An arrow is shot off the top of a bridge of unknown height. The speed of the arrow at launch is known to be 30.0 m/s. How tall is the bridge
Three identical charges of 3.0 mC are placed at the vertices of anequilateral triangle which measures 30 cm on a side. What is the magnitude of the electrostatic force which acts on any one of the charges?
A garden hose is attached to a water faucet on one end and a spray nozzle on the other end. What is the pressure inside the hose
At an amusement park, a swimmer uses a water slide to enter the main pool. Find the swimmer's speed at the bottom of the slide
A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5Volts is used, an extra 45.50 microC of charge is stored. What is the capacitance C.
an electric field of 12.4 nc directed due north is superposed on an existing electric field of 16.5 nc directed due
one can not align the apparatus to eliminate entirely the effects of the earths magnetic field. consider the case where
Cesium is a monovalent metal having a density of 1.870 g/cm3 and a molar mass of 132.9 g/mol. Use this information to calculate the density of charge carriers
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of time the rocket is in the air
When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.7 m/s in 0.11 s. How far does the pike move during this strike? A driver has a reaction time of 0.50 s, and the maximum deceleration of her car is 6.0 m/s 2. She is..
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