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A small blob of putty of mass m = 90.0 g falls from the ceiling and lands on the outer rim of a turntable of radius R = 15.0 cm and moment of inertia I = 1.90E-2 kg·m2 that is rotating freely with angular speed 3.77 rad/s about its vertical fixed-symmetry axis. What is the postcollision angular speed of the turntable-putty?
Assuming a coefficient of friction of 0.45 between the disk and the surface it slides on, how far will it travel (after leaving the spring) before coming to a stop
the altitude of a hang glider is increasing at a rate of 6.80 m/s. At the same time, Find the magnitude of the glider's velocity
State your answer in terms of and Use three significant figures in the numerical coefficient.
A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 100 m. How long does it take the camera to reach the ground
A parallel-plate capacitor has circulat plates of 7.00 cm radius and 1.01 mm separation. Calculate the capacitance in picofarads
A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity.
Calculate the fast neutron flux needed to produce the same injury as 0.50 mSv/hr of thermal neutrons, and then, as 6,000 thermal neutrons per sq. cm per sec.
A 12-V battery causes a current of 0.85A through a resistor. How many joules of energy does the battery lose in a minute
The length of a simple pendulum is 0.87 m and the mass of the particle (the "bob") at the end of the cable is 0.21 kg. What is the angular frequency of the motion
A solenoid of radius 2.4 cm has 420 turns and a length of 16 cm. Find the rate at which current must change
Electrons accelerated by a potential difference of 12.43 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the shortest possible wavelength
Some thermometers indicate temperature by means of the thermal expansion of alcohol. by what percent does the volume change if the temperature changes by 9 F
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