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When a carpenter shuts off his saw, the 10inch diameter blade slows from 3984 rpm to 0 in 1.25 sec.
A.) What is the angular acceleration of the blade?
B.) What is the distance traveled by a point on the rim of the blade during deceleration?
C.) What is the magnitude of the net displacement of a point on the rim of the blade during deceleration?
In a typical greyhound race, a dog accelerates to a speed of 20 m/s over a distance of 30 m. It then maintains this speed. What would be a greyhound's time in the 100 m dash
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the top of a tower much like the leaning bell tower at pisa italy moves toward the south at an average rate of 1.5 mmy.
When kicking a soccer ball, a player accelerates (a) her lower leg at 4.5radians/s2 for0.8 s. If the final angular velocity (wf) of her leg was 1.4 radians/s, what was the initial angular velocity (wi) of her leg?
a helium-neon laser beam has a wavelength in air of 633 nm . it takes 1.38 ns for the light to travel through 30 cm of
A sky diver of mass 60 kilogram can slow herself to a constant speed of 93 km/h by orienting her body horizontally, Find what is her acceleration at the instant she achieves the "knife" position
What is the (minimum) difference in thickness of a bubble film between a strong blue reflection (420nm) and a strong red reflection (650nm)
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.170 .
According to legend, to determine whether the king's crown was made of pure gold, Archimedes measured the crown's volume by find out how much water it displaced. The density of gold is 19.3g/cm^3. If the crown's mass was 6.00 * 10^2g, what volume ..
A Circuit has two identical capacitors with capacitance 4x10^-6 in parallel connected to two identical four ohm resistors in parallel. What is the initial charge on the capacitors
a 110 g copper calorimeter cup contains 205 cm3 of water and 50 g of ice all in thermal equilibrium. a 215 g piece of
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