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A bicycle wheel of radius 0.30 m is spinning at a rate of 60 revolutions per minute. What is the centripetal acceleration of a point that is 0.13 m from the outer edge of the wheel?
Sketch a sinusoidal wave with an amplitude of 1 cm and a wavelength of 7 cm. What is the amplitude of the sum of these waves
A drop of water on a countertop reflects light from a flower held 2.2 cm directly above it. What is the focal length of the water drop
If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
A physics demo launches a ball horizontally while dropping a second ball vertically at exactly the same time. [Delayed Feedback] 1) Which ball hits the ground first?
assume the following situation. a gurney is pushed across a level rug in which the coefficient of friction is 0.15. if
To tighten a bolt, you push with a force of 78 N at the end of a wrench handle that is 0.27 m from the axis of the bolt. what force do you have to exert to achieve the same torque
A 78 kg person is standing on the edge of a rotating merry-go-round platform with a 3.0-m radius, 205kg mass and a 1.45 rad/s angular velocity. How far from the center does he make it
A 9.0 x 10 -2 ice cube at 0.0C is dropped into a Styrofoam cup holding 0.35 kg of water at 12C, Find the amount of ice remaining
A star of radius 7.8 × 105 km rotates about its axis with a period of 66 days. Estimate the period of the neutron star
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
A charged particle is injected at 153 m/s into a 0.0623-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A 3.1kg block of wood sits on a table. A 3.0 gbullet, fired horizontally at a speed of 540m/s , find the speed of the block immediately after the bullet exits
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