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While a roofer is working on a roof that slants at 42.0 degrees above the horizontal, he accidentally nudges his 93.0 N toolbox, causing it to start sliding downward, starting from rest.
If it starts 4.35 m from the lower edge of the roof, how fast will the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 22.0 N?
A 2.0-kg ball is attached to the end of a 2.5-m string to form a pendulum. This pendulum is released from rest with the string horizontal
A train is travelling up a 3.2 degree incline at a speed of 3.55 m/s as the last car breaks free and begins to coast. How long does it take for the last car to come to rest.
A 1.15 long ramp is inclined at 14 to the horizontal. A solid ball is released from rest at the top of the ramp. Find its translational acceleration
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 580
A car starts from rest and accletation uniformly for 10s to a velocity of 8m/s. Find the value of accleration, retardation and total time taken
A model rocket is launched straight upward. Its altitude y as a function of time is given by y = bt -ct2, where b = 82 m/s, c = 4.9 m/s2, t is the time in seconds, and y is in meters, (a) make use of differentiation to find out a general expressio..
An air core solenoid is used as an inductor in an oscillating LC circuit with a 1.50 \muF capacitor. The solenoid had a diameter of 6.40 cm, Find the number of turns in the solenoid
A container of groceries has a mass of 15.0 kg. if its coefficent of static friction is 0.20 what force is needed to start the container to move
An ideal gas occupies a volume of 2.85 m3 at STP. The pressure of the gas in increased to 3.71 atm. Calculate the new volume of the gas
a uniform 12.0kg ladder is 4.0m long and is placed against a frictionless wall at 30 degress. find the frictionless force at the floor necessary to maintaain equilibrium
q1. why do cities directly east of the rockies such as denver colorado receive more precipitation than cities east of
find the maximum distance she can be from the craft and still return within 2.30 min (the amount of time the air in her helmet remains breathable).
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