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A) A roller coaster travels 98.9ft at an angle of 42.9 above the horizontal. How far does it move horizontally? answer in units of ft.
B) How far does it move vertically? answer in units of ft.
A pendulum consists of a 3.1 kg stone swinging on a 4.2 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. what is the total mechanical energy of the system
question1what test can be used to evaluate the mean hgba1c 1 year before vs. mean hgba1c 1 year after use of insulin
In a darkened room we place a lighted tungsten bulb in a box that has one end covered with tinfoil. If we make a pinhole in the tinfoil, an image of filament appears on a screen facing the tinfoil.
At a rock concert, the sound intensity 1.0 m in front of the bank of loudspeakers is 0.10 W/m^2. How much energy is transferred to each eardrum in one second
A ball is thrown at an angle of 30.9 degrees above the horizontal at a speed pf 8.77 m/s. What is the vertical component of the ball's velocity
Draw a picture of a polarized and unpolarized E-field (go ahead and just do it at one point in space using an arrow(s)). Polarized means that the E-field oscillates perpendicularly at a fixed orientation relative to the direction of propagation.
Using Faraday's Law, derive the self-inductance per unit length of a long (ideal) solenoid with n turns per unit length, and of radius R. How much energy is stored in this solenoid
A transformer has 330 primary turns and 1340 secondary turns. The input voltage is 120 V the output current is 15 A. What are the output voltage and input current
The gauge pressure at the bottom of a reservoir is 5.0 times what it is at a depth of 1.8 m. How deep is the reservoir
What horizontal force is needed to hold bag in new position
The performers in a marching band move in straight rows, maintaining constant side-to-side spacing between them. what is the speed of the outermost marcher
In the above animation a massive block is attached to a spring. It is sliding back and forth on a frictionless table. The spring has a spring constant 250 N/m. Determine the mass of the block
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