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Q. A block rests on the frictionless horizontal surface and is attached to a spring. While set into simple harmonic motion, block oscillates back and forth with an angular frequency of 6.5 rad/s. The position of the block while the spring is unstrained. This position is labelled ''x = 0 m.'' A small bottle located 0.080m to the right of this position. The block is pulled to the right, stretching the spring by 0.050m, and is then thrown to the left. In order for the block to knock over the bottle, it must be thrown with a speed exceeding v0. Ignore the width of the block, find v0.
A bolt is dropped from a bridge under construction, falling 92m to the valley below the bridge. (a) How much time does it take to pass through the last 26 percent of its fall? What is its speed (b) when it begins that last 26 percent of its fall a..
How much must this spring be stretched to store.
An observer, whose eyes are 1.77 m above the ground, is standing 28.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with treetop makes an angle of 22.0° above the horizontal. How..
What could you expect the intrusion into the vechicle is, based on this information? Explain how you arrived at this intrusion.
What is current flowing through the collider
What focal length does the lens need. Find out the electrostatic force exerted on one sphere by the other.
The electric field everywhere on the surface of a thin spherical shell of radius 0.780m is measured to be equal to 940 N/C and points radially toward the center of the sphere.
Suppose a patient having an MRI is immersed in a 3.0 T field along the axis of his body. He then quickly tips his head to the side, toward his right shoulder, tipping his head by 30 degrees in the rather short time of 0.15 s.
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
A point source of light is 200 cm below the surface of a body of water. Find out the diameter of the circle at the surface through which light emerges from the water.
Gold, which has a density of 19.3 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber.
Write a general expression of the flux
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