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In preparation for building a space station, an astronaut removes a self-telescoping uniform rod from the cargo bay and releases it, not noticing that he gave it an angular speed of 0.0500 rad/s. The pole is 3-m long. A catch slips, and the pole spring retracts it into a shorter 1.50 m long uniform pole about a minute after the astronaut releases it.
Evaluate the angular speed after the catch slips.
The coefficient of static friction is .8 between the soles ofa sprinters shoes and the level track surface she's running on. Determine the maximum acceleration she can achieve
A resistor with R = 4.0 kohm is placed in series with a 240 V battery, an open switch, and an inductor having L = 36.0 mH. At some time after the switch has been closed, the current in the circuit is 15.0 mA. At this same instant in time, what is the..
The potential dissimilarity between the plates of a capacitor is 220 V. Midway among the plates, a proton and an electron are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate by an initia..
If I end up with a velocity of 1 m/s going west, am I heaver or lighter than you? What is your mass, and what is your final velocity?
A flat coil enclosing an area of 0.11 m2 is rotating at 58 rev/s, with its axis of rotation perpendicular to a 0.20 T magnetic field. what is the maximum voltage induced in the coil
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). What is the distance between the first-order red and blue fringes? (d=)
A total Charge of 0.696uC is distributed uniformly throughout an entire region, giving a charge per volume of 348uC/m3. A Gaussian surface encloses 0.174uC of that charge. What is the volume of that entire region?
You have a spring attached to the bottom of a container. The spring is aligned vertically. The container is filled with water (density 1.0 x 103 kg/m3). How much does the block compress the spring
a small electric car overcomes a 250 n friction force when traveling 30 kmh. the electric motor is powered by
A wooden plank is placed over a pit that is 5.00 m wide. A student stands in the middle of the plank and begins jumping upand down such that she jumps two times each second. What is the speed of the travsverse waves on the plank
A system does 167 J of work on its environment and gains 85.5 J of heat in the process, Find the change in the internal energy of the environment
At a given instant, a particle with a mass of 5.00 x 10^-3 kg and a charge of 3.50 x 10^-8 C has a velocity of magnitude 2.00 x 10^5 m/s in the +y direction. What is the magnitude and direction of the magnetic force on the particle
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