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Nate the Skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding. In particular, Nate would often don a protective suit of Bounce-Tex, which he invented, and after working up a high speed on his skateboard, would collide with some object. In this way, he got a gut feel for the physical properties of collisions and succeeded in combining his two passions.* On one occasion, the Skate, with a mass of 131 kg, including his armor, hurled himself against a 819-kg stationary statue of Isaac Newton in a perfectly elastic linear collision. As a result, Isaac started moving at 1.65 m/s and Nate bounced backward. What were Nate\'s speeds immediately before and after the collision? (Enter positive numbers.) Ignore friction with the ground.
A non-uniform flask consists of a lower portion that is a circular cylinder 20 cm in radius and 20 cm high. The upper portion is also a circular cylinder, which is 2 cm in radius and 40 cm high.
A ceiling fan with 80-cm-diameter blades is turning at 60rpm. Suppose the fan coasts to a stop 30s after being turned off.
How do I calculate final velocity of a planet moving around a star? The things I know are the positions of star/planet initial V of the planet, Final velocity of the planet after the force of the sun has acted on it
A sphere of radius a in free space is nonuniformly charged over its surface such that the charge desity is given by ps(theta)=ps0*sin(2theta), Compute the total charge of the sphere
A charge of -3.9 micro-coulombs is launched from the positive plate of a large capacitor to the negative plate.
The aorta in humans has a diameter of about 1.9 cm and at certain times the blood speed through it is about 60 cm/s. find the Reynolds number for blood flow through the aorta
The wavelength of characteristic x-rays in the K? line from a particular source is 0.07970 nm. Determine the material in the target
Let B = 5.10 m at 60°. Let vector C have the same magnitude as vector A and a direction angle greater than that of vector A by 25°. Find the magnitude and direction of vector A
Consider four 8 · µC charges placed at the corners of a square, which is 2.1 ·m on a side. The charges on the top are both positive, Find the electric field at the center of the square
An X-ray photon with a wavelength of 0.120 nm scatters off a free electron at test rest. What is the direction of the scattered electron
An ideal solenoid is constructed with 500 turns of wire of 5.00 mm radius. The wire has a cross sectional area of 3.0 x 10-8 m2, determine The voltage induced in the solenoid
The distance between the objective and eyepiece lenses in a microscope is 20 cm. What eyepiece focal length will give the microscope
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