# banking angle is 0, and the coefficient of static friction is u. (a) Determine therange ofthe range of speeds possible if R = 100 m, 0 10°, and u 0.10 (slipperyconditions)?of the road is R, thespeeds the car can have without slipping up or down the road. (b) What isP 7.54A 0.400 kg pendulum bob passes through the lowest part of its path at a speed of3.00 m/ s. (a) What is the tension in the pendulum cable at this point if thependulum is 80.0 cm long? (b) When the pendulum reaches its highest point, whatangle does the cable make with the vertical? (c) What is the tension in thependulum cable when the pendulum reaches its highest point?P 7.60A roller coaster travels in a circular path. (a) Identify the forces on a passenger athe top of the circular loop that cause centripetal acceleration. Show the directicof all forces in a sketch. (b) Identify the forces on the passenger at the bottomthe loop that produce centripetal acceleration. Show these in a sketch. (c) Basuers to parts (a) and (b), at what point, top or bottom, should the se? ld) Assume the speed of the roller coasforce exerted by thethewithout slipping up or down the road. (b) What isrange of speeds possible if R = 100 m, 0=10°, and u0.10 (slipperyconditions)?P 7.54A 0.400 kg pendulum bob passes through the lowest part of its path at a speed of3.00 m/ s. (a) What is the tension in the pendulum cable at this point if thependulum is 80.0 cm long? (b) When the pendulum reaches its highest point, whatangle does the cable make with the vertical? (c) What is the tension in thependulum cable when the pendulum reaches its highest point?chР 7.60A roller coaster travels ina circular path. (a) Identify the forces on a passenger atthe top of the circular loop that cause centripetal acceleration. Show the directionof all forces in a sketch. (b) Identify the forces on the passenger at the bottom ofthe loop that produce centripetal acceleration. Show these in a sketch. (c) Based oryour answers to parts (a) and (b), at what point, top or bottom, should the seat exethe greatest force on the passenger? (d) Assume the speed of the roller coaster is4.00 m/s at the top of the loop of radius 8.00 m. Find the force exerted by the sn a 70.0 kg passenger at the top of the loop. Then, assume the speed remainsf the loop and find the force exerted by the seat on thenirtent with your choice of ans

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Can you help me with 7.54 b?

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Step 1

P 7.54 (b):

According to the law of conservation of energy,

Substitute the values, to find the maximum height reached by the pendulum.

Step 2

The angle made by the cable with the vertical i...

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