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A ball on the end of a string is whirled around in a horizontalcircle of radius 0.405m. The plane of the circle is 1.07m above theground. The string breaks and the ball lands 2.46m away from thepoint on the ground directly beneath the ball's location when the string breaks. The acceleration of gravity is 9.8m/s2. Find the centripetal acceleration of the ball during its circularmotion. Answer in units of m/s2.
A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 16rpm in 10.0s. What force is required at the edge
An object, 0.75 cm tall, is placed 12.0 cm to the left of a diverging lens (f = -8.00 cm). determine the focal length of the converging lens
One of the harmonic frequencies of tube A withtwo open ends is 845 Hz. The next-highest harmonic frequency is 910Hz. (a) What harmonic frequency is nexthighest after the harmonic frequency 975Hz? (b) What is the number of this next-highest harmoni..
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows with a constant acceleration -5.90 m/s2 for 4.50 s, With what speed does the car then strike the tree
A solid cylindrical disk has a radius of 0.14 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. What is the mass of the disk
A proton accelerates from rest in a uniform electric field of 690 N/C. At one later moment, its speed is 1.30 Mm/s, Find the acceleration of the proton
A small boat is moving at a velocity of 3.35 m/s while it is accelerated by a river current perpendicular to the initial direction of motion. If current acceleration is 0.750 m/s^2, what will the new velocity of the boat be after 33.5 s.
The gravitational force between two electrons that are 0.97 m apart is 5.76 multiplied by 10-71 N. Find out the mass of an electron. (Use G = 6.67 10-11 N · m2/kg2.)
A clock has a pendulum that performs one full swing every 1.5 s (back and forth). What is the length of the pendulum
Your starship, the Aimless Wanderer, lands on the mysterious planet Mongo. how many hours will it take the ship to complete one orbit
Two cars of mass 2000 kg and 1000 kg, respectively, collide inelastically. Find the initial speed and direction of the lighter car
Explain the sign of the acceleration and describe in words how the thread changes the velocity of the spider. would also like to know how to get to the answer can any one explain this to me in english?
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