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A roller coaster moves 200 feet horizontally, then rises 135feet at an angle of 30.0 degree above the horizontal. Next, it travels 135 feet at an angle of 40.0 degree below the horizontal. Use graphical techniques to compute the roller coasters displacement from its starting point at the end of this movement.
a stone is thrown upward at an angle of 43degrees above the horizontal. it's maximum height during the trajectory is 55m. what was the stone's initial speed
equal and opposite 5 muc point charges are located at the points y plusmn .5 mm 5 muc at y .5 mm and -5
A 70.0 kilogram base runner begins his slide into second base when he is moving at a speed of 3.5 m/s. Find how far does he slide
a tabulate the values of the quantum numbers nx ny nz for the 12 lowest energy levels of a particle in a container of
A box of mass 3 kg sits on a table. Neglect friction. You pull on a string tied to the right side of the box, exerting a force of 20.0 N at an angle of 30.0 degrees above the horizontal. Calculate the coefficient of friction with the surface
The Moon rotates once on its axis in 27.3 days. Its radius is 1.74 x 10 to the 6th m. What is the linear speed of a rock on the Moon's equator due only to the Moon's rotation
What would be the nature and height of the image?
An "energy bar" contains 18g of carbohydrates. If the energy bar was his only fuel, how far could a 68kg person walk at 5km/hr
A screw with 25 threads per centimeter is driven 1.49 cm into its fixture in 12.4 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
A 4.70 kg object on a horizontal frictionless surface is attached to a spring with spring constant 920 N/m. obtain the initial potential energy of the block-spring system
A particle of charge Q is fixed at the origin of anxy coordinate system. At t = 0 a particle(m = 0.776 g, q = 5.04 µC is located on thex axis at x = 18.7 cm, moving with a speed of39.8 m/s in the positive y direction.
An individual lifts a 95-kg weight to a height of 2.13 m. When the weight is held overhead, what is the potential energy? What is the kinetic energy
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