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A soccer ball of mass 1.5 kg and radius 15 cm rolls down a 35degree incline that is 6.0 m high, measured vertically. The ball starts from rest, and there is enough friction on the incline to prevent slipping of the ball.
a) How fast is the ball moving forward when it reaches the bottom of the incline, and what is its angular speed at that instant?
b) if there were no friction on the incline, how fast would the ball be moving forward and what would be its angular speed at the bottom?
A Ferris wheel is a vertical, circular amusement ride with radius 6 m. Riders sit on seats that swivel to remain horizontal. The Ferris wheel rotates at the constant rate, going around once in 6.4 s. Consider a rider whose mass is 70 kg.
What net torque must be applied to the wheel. How several meters would the molecule.
The scale of a spring balance that reads from 0 to 15.0 kg is 12.0 cm long. How much does the package weigh
With what minimum speed must you toss a 170g ball straight up to just touch the 12-m-high roof of the gymnasium, With what speed does the ball hit the ground
Three balls A, B, and C, with masses of 2.7 kg, 1.1 kg, and 1.2 kg, respectively, are connected by massless rods, find the acceleration of the center of mass of the three-ball system
A machine part is made from a uniform solid disk of radius R = 0.18m and mass M = 8.3kg. A hole of radius R/2 is drilled into the disk, with center of the hole at the distance R/2 from the center of the disk.
find the speed of the test charge when it reaches the center of the square.
Find the slit seperation of a double slit system that will produce bright interference fringes 1.00 degrees apart
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants
The drive propeller of a ship starts from rest and accelerates at 2.60 multiply.gif 10-3 rad/s2 for 2.15 multiply.gif 103 s. Find the total angular displacement of the propeller
A long solenoid has 1.56e+3 turns in length of 40.0 cm. What current has to flow through the solenoid in order to generate a magnetic field
A standing wave is created on a string of length 1.0 m and fixed at both ends. What is the wavelength of the third harmonic
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