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Q1. Speedboat A negotiates a curve whose radius is 118 m. Speedboat B negotiates a curve whose radius is 270 m. Each boat experiences the equivalent centripetal acceleration. What is the ratio vA/vB of the speeds of boats?
Q2. A 40 N block rests on an adjustable inclined plane; the maximum angle just before it slips is 27o with the horizontal. What the coefficient of static friction is between block and plane surfaces?
What friction torque is necessary to reduce its angular speed from 90.0 {rm rpm} to 45.0 {rm rpm} in a time interval of 32.0 {rm s}.
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
What is Johns resultant displacement
A baseball is bunted down the third-base line leaving the bat from a height of 0.850m with an initial velocity of 4.00m/s at an angle of 37.87° above horizontal.
How to create a condition of weightlessness inside aircraft
W hat is the ratio of an amplitude of the damped oscillations
If the orientation of the spacecraft is to be changed by 30.0°, for what time interval must the gyroscope be operated.
Calculate the volume charge density of the atmosphere
How much time passes by they collide
Find the Band Structure and Band Occupancy
Estimate the thickness of lead shielding needed to reduce the exposure rate 2.5 m from a 5.92x10^11 Bq point source of Cs-137 to 1.0 mR/hr.
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