Homework Answers
A ball on the end of a string is whirled around in a horizontal circle of...
A ball on the end of a string is whirled around in a horizontal circle of radius 0.340 m. The plane of the circle is 1.20 m above the ground. The string breaks and the ball lands 2.50 m (horizontally) away from the point on the ground directly beneath the ball's location when the string breaks. Find the radial acceleration of the ball during its circular motion. Magnitude m/s Direction
A stone is tied to a string (length L = 1.10 m) and whirled in a...
A stone is tied to a string (length L = 1.10 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal, and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case, the maximum tension in the string is 15.0% larger than the tension that exists when the circle is horizontal. step 6: Draw the free-body diagram for the forces acting on the...
6. A ball is tied to the end of a cable of negligible mass. The ball...
6. A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius 2.00 m making 7.00 revolutions every 10.0 seconds. What are the (a) magnitude of the angular velocity in rad/s, (b) linear velocity in m/s, and (c) centripetal acceleration of the ball (in m/s')? Hint: 7 revolution divided by 10 seconds gives 0.7 rev/s, convert to rad/s
An air puck of mass 0.18 kg is tied to a string and allowed to revolve...
An air puck of mass 0.18 kg is tied to a string and allowed to revolve in a circle of radius 1.1 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 1.3 kg is tied to it. The suspended mass remains in equilibrium while the puck on the tabletop revolves (a) What is the tension in the string? (6) What is the force...
An air puck of mass 0.230 kg is tied to a string and allowed to revolve...
An air puck of mass 0.230 kg is tied to a string and allowed to revolve in a circle of radius 1.17 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 1.03 kg is tied to it as seen in the figure below. The suspended mass remains in equilibrium while the puck on the tabletop revolves. What is the tension in the string?...
An air puck of mass 0.200 kg is tied to a string and allowed to revolve...
An air puck of mass 0.200 kg is tied to a string and allowed to revolve in a circle of radius 1.03 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 1.22 kg is tied to it as seen in the figure below. The suspended mass remains in equilibrium while the puck on the tabletop revolves. What is the tension in the string?...
An air puck of mass 0.23 kg is tied to a string and allowed to revolve in a circle of radius 1.2 m on a frictionl...
An air puck of mass 0.23 kg is tied to a string and allowed to revolve in a circle of radius 1.2 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 0.9 kg is tied to it. The suspended mass remains in equilibrium while the puck on the tabletop revolves. a) What is the tension in the string? (b) What is the force...
A 4,410-pound mass [lbm] ball is released from a height of 19.7 feet [ft] above a...
A 4,410-pound mass [lbm] ball is released from a height of 19.7 feet [ft] above a flat surface on the moon. Gravitational acceleration on the moon is 1.62 meters per second squared [m/s2]. Assume that no energy is lost from frictional drag. How much Power in Watts [W] will it take to lift the object up to the height of 19.7 feet [ft] in 1.2 minutes [min]? What is the power in horsepower? Will a 300 Watt Motor with an...
2 Hammer Throw: 10 pts Remember this: In Men's Hammer Throw at the Olympics a 16...
2 Hammer Throw: 10 pts Remember this: In Men's Hammer Throw at the Olympics a 16 pound ball (the ham- mer) is attached to a wire that's ap- proximately 4 ft long and whirled around a circle and let go. Olympians spin their bodies incredibly fast- during their last "wind" before release they spinning at less than a second per revolution. For the men's sport, given a few facts Figure 3: 2015 Big Ten Outdoor we're going to find out...
Anar puck of mass my is tied to a string and allowed to revolve in a...
Anar puck of mass my is tied to a string and allowed to revolve in a circle of radius Rona horizontal, frictionlesstabile The per end of the string passes through a small hole in the center of the table, and an object of mass my is tied to it (see fire). The suspended object remains in equilibrium while the puck on the tabletop revolves. and the radius of th. --50 il (a) The tangential a=rar (b) The final tangential (*)...
A ball on the end of a string is whirled around in a horizontal circle of radius 0.340 m. The plane of the circle is 1.20 m above the ground. The string breaks and the ball lands 2.50 m (horizontally) away from the point on the ground directly beneath the ball's location when the string breaks. Find the radial acceleration of the ball during its circular motion. Magnitude m/s Direction
6. A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius 2.00 m making 7.00 revolutions every 10.0 seconds. What are the (a) magnitude of the angular velocity in rad/s, (b) linear velocity in m/s, and (c) centripetal acceleration of the ball (in m/s')? Hint: 7 revolution divided by 10 seconds gives 0.7 rev/s, convert to rad/s
An air puck of mass 0.18 kg is tied to a string and allowed to revolve in a circle of radius 1.1 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 1.3 kg is tied to it. The suspended mass remains in equilibrium while the puck on the tabletop revolves (a) What is the tension in the string? (6) What is the force...
An air puck of mass 0.23 kg is tied to a string and allowed to revolve in a circle of radius 1.2 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 0.9 kg is tied to it. The suspended mass remains in equilibrium while the puck on the tabletop revolves. a) What is the tension in the string? (b) What is the force...
2 Hammer Throw: 10 pts Remember this: In Men's Hammer Throw at the Olympics a 16 pound ball (the ham- mer) is attached to a wire that's ap- proximately 4 ft long and whirled around a circle and let go. Olympians spin their bodies incredibly fast- during their last "wind" before release they spinning at less than a second per revolution. For the men's sport, given a few facts Figure 3: 2015 Big Ten Outdoor we're going to find out...
Anar puck of mass my is tied to a string and allowed to revolve in a circle of radius Rona horizontal, frictionlesstabile The per end of the string passes through a small hole in the center of the table, and an object of mass my is tied to it (see fire). The suspended object remains in equilibrium while the puck on the tabletop revolves. and the radius of th. --50 il (a) The tangential a=rar (b) The final tangential (*)...
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