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A playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this person begins with an angular speed of zero and ends up with a nonzero angular speed, which means that he underwent a counterclockwise angular acceleration. The carousel has a radius of 1.68 m, an initial angular speed of 3.25 rad/s, and a moment of inertia of 124 kg·m2. The mass of the person is 45.1 kg. Find the final angular speed of the carousel after the person climbs aboard. there is no photo that comes with the problem.
At what time does the bolt hit the top of the still-decending elevator.
The potential difference across a resting neuron in the human body is about 105.0 mV, How much power does the neuron release
A rotating cylinder about 16 {rm km} long and 8.4 km in diameter is designed to be used as a space colony. With what angular speed should it rotate so that the residents on it will experience the similar acceleration as a result of gravity as on E..
A charged particle moves through a velocity selector at a constant speed in a straight line, Calculate the charge-to-mass ratio of the particle.
Illustrate what effect does this transaction have on revenue or expense for the period?(b) Illustrate what effect does it have on stockholder's equity?
Establish the speed of transverse waves on a string under a tension of 80.0 N if the string has a length of 2 m and a mass of 5 g. (b) Calculate the power required to create these waves if they have a wavelength of 16 cm and an amplitude of 4 cm.
A spherical capacitor contains a charge of 3.20 nC when connected to a potential difference of 220 V, Calculate the radius of the inner sphere
Suppose the solenoid filled with a paramagnetic substance such as liquid oxygen. Qualitatively,how will this change your your answer to Part (b)? Will your reply increase, decrease,or remain the same.
A gun is fired vertically into a 2.00 kg block of wood at rest straight above it. If the bullet has a mass of 21.0 g and a speed of 198 m/s, how high would the block rise into the air after the bullet becomes embedded in it.
A 1.6 mL syringe has an inner diameter of 5.8 mm, a needle inner diameter of 0.25 mm, and a plunger pad diameter (where you place your finger) of 1.0 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100.
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
There is a uniform magnetic field present, given by B=0.003 i + 0.004 j + 0.002 k, where i,j,k are the unit vectors along the cartesian coordinate axes in units of Tesla. Compute the y-component of the magnetic force acting on a segment of wire of..
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