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If a 0.379 m radius hollow ball has a rotational kinetic energy of 2.924 J while spinning at 5.7 rad/seg, what is its mass?
A) 14.28 kg
B) 2.5 kg
C) 1.88 kg
D) 5.34 kg
We are told that 3 non-interacting particles of mass m bounce back and forth in one dimension between two rigid walls separated by a distance L.
There is a clever kitchen gadget for drying lettuce leaves afteryou wash them. It consists of a cylindrical container mounted sothat it can be rotated about its axis by turning a hand crank. Theouter wall of the cylinder is perforated with small hole..
A partly-full paint can has 0.55 U.S. gallons of paint left in it. (a) What is the volume of the paint, how thick is the layer of wet paint
Ultrasound with a frequency of 4.288 MHz can be used to produce images of the human body. what is the wavelength in the body
If a car traveling at 62 km/h will skid 22 m as its brakes lock, how far will it skid if it is traveling at 120 km/h when its brakes lock.
A transformer has 350 primary turns and 1390 secondary turns. The input voltage is 120?V and the output current is 18.0A, find the output voltage and input current
A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 4 excited state. determine the photon wavelengths of the first transitions
a narrow slit is illuminated with light of wavelength 590 nm. a diffraction pattern is produced on a screen positioned
A point charge of -12 micro-coulombs is fired directly towards a single infinite sheet of charge. It is initially moving at 3.4 m/s towards the sheet and after it has traveled 0.7 meters it is moving at 18.4 m/s.
Assume that a cloudy parcel has T = 275 K, wl = 1.5 g/kg. The background atmosphere has T = 274 K, and a relative humidity of 0.6. Assume a total pressure p = 600 hPa. What is the buoyancy of the cloudy parcel
The light bulb used in a slide projector draws a power of 480 watts when operating on 120 volts. What is the bulb’s resistance? What is the current which is passing through the bulb?
A ten pound car wheel has a moment of inertia of 0.3 kg m2. How much torque is required to stop the wheel
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