please help me. In the past, a rickshaw pulley design would only consist of pulleys A and D, as shown in figure2. See figure 1 for the new pulley design, which includes additional pulleys B and C and the newpulley system consist of pulleys A, B, C, and D. With this recent redesign, the power of arickshaw is now transmitted using the belt-and-pulley arrangement illustrated in figure 1. Theaxle of the rea wheels is connected to pulley C instead of Pulley D as it was in the old Design.A) Given that the rickshaw driver paddles pulley A at wA = (20t + 40) rad/s, where t is inseconds, determine the angular speeds of pulley B and pulley C when t = 3 s.B) Since electrical rickshaws are not allowed in some cities, does this new pulley designsignificantly make it easier for the driver to pull passengers compared to the old design.Rickshaw: A three-wheeled bicycle like vehicle, having a seat for passengers behind the driver.75 mmWAA25 mmD100 mmWBBWC50 mmPrevious DesignADriverSeatPassenger(s)SeatD

The angular speed of pulley A is

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ed using the belt-and-pulley arrang connected to pulley C instead of Pul v driver paddles nulley A at

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

please help me.

In the past, a rickshaw pulley design would only consist of pulleys A and D, as shown in figure
2. See figure 1 for the new pulley design, which includes additional pulleys B and C and the new
pulley system consist of pulleys A, B, C, and D. With this recent redesign, the power of a
rickshaw is now transmitted using the belt-and-pulley arrangement illustrated in figure 1. The
axle of the rea wheels is connected to pulley C instead of Pulley D as it was in the old Design.
A) Given that the rickshaw driver paddles pulley A at wA = (20t + 40) rad/s, where t is in
seconds, determine the angular speeds of pulley B and pulley C when t = 3 s.
B) Since electrical rickshaws are not allowed in some cities, does this new pulley design
significantly make it easier for the driver to pull passengers compared to the old design.
Rickshaw: A three-wheeled bicycle like vehicle, having a seat for passengers behind the driver.
75 mm
WA
A
25 mm
D
100 mm
WB
B
WC
50 mm
Previous Design
A
Driver
Seat
Passenger(s)
Seat
D

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