1. A person travels by car from city A to city B at a constant speed of 80 km/hr. They then return from city B to city A at a constant speed of 60 km/hr. What was their average velocity? (HINT: the answer is not 70 km/b)

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A: Given: The angular speed of the object is 8 rad/s. The diameter of the wheel is 74 inch.

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Q: A wheel has a radius of 4.50 m. How far (path length) does a point on the circumference travel if…

A: a. the path length is s=rθ=4.5 m32°×π rad180°=2.5 m

Q: how to do ??? 1D material stick (Evenly having a mass of 1 kg) (length L = 1 m) (spindle A through…

A: The solution can be given as follows:-

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Q: 51. B SSM A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at…

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Q: Explain the tangential component and normal component of acceleration.

A: The acceleration is defined as,  a¯=ddtv¯ Here, v is the velocity vector.

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Q: Figure shown below is a crank and slider mechanism. Link AB rotates on a counterclockwise manner…

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Q: A wheel initially has an angular velocity of 6.4 rad/s but it is slowing at a rate of 8.1 rad/s?. By…

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Q: Convert the following to radians: a) 12 rev b) 120 degrees c) 0.50 rev d) 90 degrees e) 2.5 rev

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Q: A grinding wheel is spinning counterclockwise at a rate of 168 rad's When the power to the grinder…

A: The expression for the required time is, ω=αtt=ωα

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Q: What is the linear velocity of a 15-in wheel rotating at 800 rpm?

A: Diameter of the wheel: D=15 in=0.381 mRadius: R=D2=0.381 m2=0.1905 mAngular velocity: ω=800…

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A: To find-(a) speed of stone (V)=?(b) Frequency of rotation (n)=?Given that-Mass of object (m)=0.5…

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A: Given: ABCD is four-bar chain with AD fixed, Lengths AB=80 mm BC=200 mm CD=150 mm DA=200 mm Angular…

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Q: Consider the rotational kinematic motion profile indicated below. t: 0 → 5s = 0 deg/s , R = 6 deg/s…

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A: Given data: Constant acceleration = α Time = t Initial angular speed = ωi Need to write the equation…

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