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The weight of passengers on a roller coaster increases by 53% as the car goes through a dip with a 35m radius of curvature.
What is the car's speed at the bottom of the dip?
Physics, Academics
Reactions with little or no activation energy are the least affected by temperature. Why? If the reaction had NO activation energy would it be affected at all by temperature?
Question: A solenoid 22.0 cm longand with a cross-sectional area of 0.500cm2 contains 415turns of wire and carries a current of 85.0 A. (a) Calculate the magnetic field in the solenoid. (b) Calculate the energy density i ...
Question: The resistivity of a wire is given by R=pL/A. Where p is the resistivity of the material, L is the length of the wire and A is the cross sectional area of the wire. a) If the diameter of the wire is .35mm calcu ...
Question: A proton has an initial speed of 3.9 x 105 m/s. (a) What potential difference is required to bring the proton to rest? _________________ kV (b) What potential difference is required to reduce the initial speed ...
The equation for motion for the ideal spring-mass system as derived in class is, ma+kx=0, where, m=mass, a=acceleration, k=spring stiffness, and x=displacement. 1) Describe briefly how the equation for motion arises from ...
Question: A projectile is fired with an initial speed of 49.6m/s at an angle of 41.2 degrees above the horizontal on a long flat firing range. A) Determine the maximum height reached by the projectile. B) Determine the t ...
Question: Linear Polarization Learning Goal: To practice Problem-Solving Strategy 33.2 Linear Polarization. Unpolarized light of intensity 30 W/cm2 is incident on a linear polarizer set at the polarizing angle Î 1 = 23 â ...
Question: In a physics laboratory experiment, a coil with 230 turns enclosing an area of 12.1 cm2 is rotated during the time interval 4.10Ã-10?2 s from a position in which its plane is perpendicular to Earth's magnetic f ...
A bullet is shot straight up into air from ground. It reaches maximum height = 757m. Calculate initial speed of bullet in m/s & using the results calculate total flight time t in seconds until the bullet reached the grou ...
Question: R= 1.097*10^7 m^-1 A) What is the wavelength of the line corresponding to n=4 in the Balmer series? B) What is the wavelength of the line corresponding to n=5 in the Balmer series? C) What is the smallest wavel ...
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