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Question: A connecting rod weighing 21.35 N oscillates 53 times in 1 min when suspended as shown in Fig. Determine its moment of inertia about its center of gravity, which is located 0.254 m from the point of support.
If the object was dropped and one waited twice the time, what is the displacement of the object in meters? (Hint: use proportions.) If the answer is negative, include a negative sign, but do not include a positive sign for positive answers.
A 41 kg crate, starting from rest, is pulled across a floor with the constant horizontal force of 250 N. For the first 10m the floor is frictionless, and for the next 11.00 m the coefficient of friction is 0.17. What is the final speed of the crat..
The Sun is primarily composed of hydrogen and helium, with traces of other elements. Its visible surface, the photosphere, is a dense and nearly opaque gas at a temp of 6000 K. Describe the spectrum that originates at this surface, due to the phy..
The speed of light in vacuum is186,000 mi/s = 3.00 × 108 m/s . Use this fact to find the number of kilometers in a mile. A rectangular prism has the following dimensions: 11= 45.0 cm, 12= 105cm, 13= 48.0 cm. What is its volume in cm3? What is its vol..
A resistor with R=300 ? and an inductor are connected in series across an ac source that has voltage amplitude 500 V. What is the amplitude of the voltage across the inductor
a car moving with constant acceleration covered the distance between two points 60 m apart in 6 s. its speed as it
A copper wire of length 25 cm is in a magnetic field of 0.20T. If it has mass of 10g, what is the minimum current during the wire that would cause a magnetic force equal to its weight? A horizontal wire of length 3.0 m carries a current of 6.0 A and ..
A car is traveling at 53.85 mph. The driver applies the brakes and the car decelerates at 1.1 m/s2. What is the stopping distance in meters
A biologist is studying the growth of rats in an orbiting space station. To determine a rat's mass, she puts it in a 330g cage, attaches a spring scale, and pulls so that the scale reads 0.42N. what is the rat's mass
a magnet and coil are oriented as shown in figure 25.50.the magnet is moved rapidly into the coil heldstationary in the
If a measurement of an electron's energy takes 9.6 ns (9.6 × 10?9 s), what is the minimum possible uncertainty in the energy
he filament of a certain lamp has a resistance that increases linearly with temperature. What is the change in temperature of the filament
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