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Problem: A butterfly moves with a speed of v = 12.0 m/s. the y-components of its velocity is 8.00m/s.
Part A: Find the angle between the direction of its motion and the x-axis?
I need help to determine the angle between the direction of its motion and the x-axis.
Gasoline contains predominately octane (the "octane" value quoted on the pump is approximately equal to the percent of octane in the gasoline).
A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.
A ball is thrown so that its initial vertical and horizontal components of velocity are 30 m/s and 25 m/s, Estimate the maximum height the ball reaches
a random sample of 49 selected from a population with a standard deviation of 14 yielded a mean 125. the mean and the
A uniform beam of length 12 m is supported by a horizontal cable of mass 5 kg at the top and a hinge at the bottom making a 45-45-90 triangle. determine the weight of the beam
A person drives a car at a constant speed of 90 km/h along a straight line from point A to point B and then drives back along the line from B to A at a constant speed 110 km/h. What is her average speed over the entire trip?
2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path,
A spaceship travels at a constant speed from earth to a planet orbiting another star. When the spacecraft arrives, thirteen years have elapsed on earth, and 6.5 years have elapsed on board the ship. How far away (in meters) is the planet, according t..
One proposed fusion reaction combines lithium 3Li6 (6.015 u) with deuterium 1H2 (2.014 u) to give helium 2He4 (4.003 u): 1H2 + 3Li6 ----> 22He4. How many kilograms of lithium would be needed to supply the energy needs of one household for a year, est..
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
A particle moves in a 15 cm radius circle cantered at the origin and completes 1.0 rev every 3.0 s. Find the speed of the particle. Find its angular speed ω.
A 4.00 kg block is free from rest 2.0m high at the top of a 30 degree frictionless incline. The block makes a head-on elastic collision with another 3.00 kg block initially at rest on a horizontal surface at the bottom of the incline.
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