A bicyclist pedals at a rate of 120 rpm. The diameter of the pedal sprocket is...

A bicyclist pedals at a rate of 120 rpm. The diameter of the pedal sprocket is 20 cm. The diameter of the rear wheel sprocket is 8 cm. The diameter of the rear bicycle tire is 70 cm.

a) What is the angular velocity (in rad) of the rear sprocket?

b) What is the linear velocity of the chain in cm per min

c) What is the speed of the bicycle in cm per min?

Solutions

Expert Solution

Detailed solution for above question is present on image attached below if you have any doubt please comment below and most importantly if you find this solution helpful please like it, it motivates me a lot, thank you and happy learning!!

milcah answered 1 year ago

Next > < Previous

Related Solutions

A bicycle wheel is rotating at 41 rpm when the cyclist begins to pedal harder, giving...

A bicycle wheel is rotating at 41 rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.50 rad/s2 What is the wheel's angular velocity, in rpm, 9.0 s later?

A 3-blade wind turbine with a diameter of 16 m spins at 35 rpm at a...

A 3-blade wind turbine with a diameter of 16 m spins at 35 rpm at a 5000 m elevation where the average wind speed is 30 km/hr. The atmospheric pressure and temperature at that location are 98 kPa and -10 oC, respectively. There is a rotating wake behind the turbine. Neglecting the frictional drag, calculate the maximum power coefficient and maximum power.

A wheels starts from rest and speeds up to 1500 rpm in 120 s. a) Find...

A wheels starts from rest and speeds up to 1500 rpm in 120 s. a) Find the angular acceleration of the wheel assumed constant. b) Find the number revolutions it makes during this time. c) Find the time it takes for the wheel to complete its 10th complete revolution. ( hint: Find angular velocity at the end 9 revolution, which becomes W1 for the 10th revolution) Remember there are 2 radius radians in a revolution.

A multi-disc wet clutch is to transmit 120 Nm of torque at 1000 rpm using sintered...

A multi-disc wet clutch is to transmit 120 Nm of torque at 1000 rpm using sintered friction material. (i) Assuming uniform wear, find the outside and inside diameters required if ri = 0.577ro. (ii) What is the power transmitted? (iii) Using the diameters found in (i), determine the power transmitted when the clutch is new.

determine the cutting speed and calculate spindle RPM for driiling a 1.5" diameter hole ins AISI-SAE...

determine the cutting speed and calculate spindle RPM for driiling a 1.5" diameter hole ins AISI-SAE 1020 steel with a brinell hardness of 125 to 175

2. A centrifugal pump running at 750 rpm with a 1-m-diameter impeller generates the following pressure...

2. A centrifugal pump running at 750 rpm with a 1-m-diameter impeller generates the following pressure rise and flow rate data while pumping water at room temperature: ?(dot)[m^3/s]= [0, 0.0278, 0.0417, 0.0556, 0.0694, 0.0833, 0.0903, 0.0972] ?P [kPa]= [361, 349, 328, 293, 230, 145, 114, 59] Estimate the pressure rise and flow rate for impeller speeds of 500 and 1000 rpm using the 750 rpm data. Plot pressure rise (y-axis) vs flow rate (x-axis) for all three pump speeds and...

A 1.5 kg , 20-cm-diameter turntable rotates at 50 rpm on frictionless bearings. Two 470 g...

A 1.5 kg , 20-cm-diameter turntable rotates at 50 rpm on frictionless bearings. Two 470 g blocks fall from above, hit the turntable simultaneously at opposite ends of a diameter, and stick. Part A What is the turntable's angular velocity, in rpm, just after this event? Express your answer to two significant figures and include the appropriate units. w=?

A 1.8 kg , 20-cm-diameter turntable rotates at 130 rpm on frictionless bearings. Two 510 g...

A 1.8 kg , 20-cm-diameter turntable rotates at 130 rpm on frictionless bearings. Two 510 g blocks fall from above, hit the turntable simultaneously at opposite ends of a diameter, and stick.What is the turntable's angular velocity, in rpm, just after this event?

A catrifugal pump is operating at the rotation rate of 750 rpm. Pump is working at...

A catrifugal pump is operating at the rotation rate of 750 rpm. Pump is working at the design condition. Water leaves the blade at 40o from the radial direction. Water enters to blade at 80o from tangential direction( offdesign condition). The inner and outher radius of the impeller is 12 cm and 18 cm respectivelly. The width of the impeller is 14 cm. Flow rate of the pump is 0.60 m3/s. Draw the velocity triangles at inlet and outlet of...

Suppose Bailey consumes pedal bikes and e-bikes. The price increases for pedal bikes and Bailey continues...

Suppose Bailey consumes pedal bikes and e-bikes. The price increases for pedal bikes and Bailey continues to purchase the same quantity as before the price increase. Illustrate graphically the price-consumption curve and pedal bike demand curve on two separate graphs given this information. Discuss the directions and magnitudes of the income and substitution effects. Are pedal bikes normal or inferior for Bailey? Explain

Subjects