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Q1. A wheel ofdiameter 30 cmturns through10.5 revolutionswhile rolling without slipping on a surface. What distance does the center of the wheel move during this operation ?
Q2. A grinding wheel accelerates uniformly from rest to 3450 rpm in5 s.
a. What is its angular acceleration in rad/s2?
b. Through how many revolutions did it turn during this time of acceleration ?
A sample of 10.0 mCi decays 1.2% in a single day. What is the activity after 30 days?
A 0.20-kg object attached to the end of a string swings in a vertical circle (radius = 80 cm). At the top of the circle the speed of the object is 4.5 m/s. What is the magnitude of the tension in the string at this position?
The solution to Bernoulli's equation, The construction of a flat rectangular roof (3.9 m x 4.3 m) allows it to withstand a maximum net outward force of 20050 N.
After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
The engineer has done a survey and found that almost no one complains if the force directed up the ramp is no more than 20 .Ignoring friction, illustrate at what maximum angle should the ramps be built, assuming a full 28 grocery cart?
An ideal solenoid is constructed with 500 turns of wire of 5.00 mm radius. The wire has a cross sectional area of 3.0 x 10-8 m2, determine The voltage induced in the solenoid
You are given 65.000 cm of copper wire with diameter 7.0000 mm. compute At what rate is thermal energy generated in the loop
A proton is projected in the positive x direction into a region of uniform electric field = (-5.20E5) N/C at t = 0. The proton travels 6.20 cm as it comes to rest, Determine the initial speed of the proton
what rate must air be moving through the open window in order to keep the system in equilibrium.
A 126.6 {\rm N} carton is pulled up a frictionless baggage ramp inclined at 33.0^\circ above the horizontal by a rope exerting a 75.4 {\rm N} pull parallel to the ramp's surface. Calculate the work done on the carton by the rope
the average intensity of light emerging from a polarizing sheet is 0.764 wm2 and the average intensity of the
A 0.11-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 4.2 m, what is the maximum weight it can lift
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