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Four particles, one at each of the four corners of a square with2.5-m-long edges, are connected bymassless rods. The masses of the particles arem1 = m3 = 2.0 kg and m2 =m4 = 3.0 kg. Find themoment of inertia of the system about the z axis.
A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. Find the difference in fluid level between the two sides of the tube
A small immersion heater is rated at 950 W. Estimate how long it will take to heat a cup of soup (assume this is 250 mL of water) from 17 degrees C to 77 degrees C.
The barrel has a length of 0.60 m and an opening whose radius is 2.8 10-3 m. A bullet (mass = 2.7 10-3 kg) has a speed of 380 m/s after passing through this barrel. Ignore friction and examine the average pressure of the expanding gas.
A piano tuner stretches a steel piano wire with a tension of 800 N. The steel wire is 0.400 m long and has a mass of 3.00 g, What is the frequency of its fundamental mode of vibration
A drawing shows three identical springs hanging from the ceiling. Nothing is attached to the first springs, determine the weight of the block hanging from the third spring
The focal length of an objective lens is 4.60mm . The image formed by this lens is 145mm from its focal point. find the magnitude of the angular magnification of the microscope
If Neville weighs 25 N and climbs a mountain and exerts 500 J of work, how far did Neville climb
an aerosol can is pressured at 440kpa when its refrigerated at 3 degree celsius. the can warns against temperatures in
a simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 58 cm wire that hangs from a
a 15-loop circular coil 22 cm in diameter lies in the xy plane. the current in each loop of the coil is 7.6 a clockwise
a ray of light incident upon a mirror makes an angle of 33.9° with the mirror. What is the angle between the incident ray and the reflected ray
A proton is moving along the axis of a uniformly charged thin ring, of 20 nC/cm. The radius of the ring is 5 cm. If the proton started initially at 10 cm from the center of the ring with an initial velocity towards the ring, what initial speed does i..
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