Homework Answers
In this case we have to bring back second movable mass and try to balance it with third (smallest mass) movable mass in order to balance.
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m balance. If you increase the second movable of 3. Suppose you are weighing by a...
Suppose you attach an object with mass m to a at the end of a vertically...
Suppose you attach an object with mass m to a at the end of a vertically hanging spring originally at rest, and let it bounce up and down. You release the object from rest at the spring's original rest length. Part (a) If the spring has a force constant of 12 N/m and the mass of the object is 0.35 kg, find the amplitude of the oscillations, in meters. Part(b) Find the maximum velocity of the mass, in meters per...
A gymnast with mass m-41 kg is on a balance beam that sits on (but is not attached to) two suppor...
A gymnast with mass m-41 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m - 107 kg and length L 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left end of the beam. 1j What is the force the left support exerts on the beam? 2) What is the force the right support exerts on the t...
Henry Ford College Physics 231-02 Spring 2017 Problem 3 (25 points) a) An object of mass...
Henry Ford College Physics 231-02 Spring 2017 Problem 3 (25 points) a) An object of mass m swings in a horizontal circle on the string of length L that tilts downward at angle Find an expression for the angular velocity ay head in a horizontal circle. b) A student a 250 g rock to a 80 cm-long string and swings it her around ties a down at 10e angle? At what angular speed, in rpm, does the string tilt c)...
A barbell has a 100.0-kg spherical mass of diameter 0.20 m on the left end and...
A barbell has a 100.0-kg spherical mass of diameter 0.20 m on the left end and a 40.0 kg spherical mass of diameter 0.40 m on the other end. The masses are separated by a very strong, uniform bar of length 1.5 m. A weightlifter wants to hold the barbell over his head with a single hand placed in such a location as to balance the weight and make it as easy as possible to lift the barbell. (a) If...
Question 1 5 pts Suppose you have a glider and a hanging mass that you wish...
Question 1 5 pts Suppose you have a glider and a hanging mass that you wish to know the masses of but you do not have a triple-beam balance available. You set up an experiment like that done in Lab 4: Newton's Second Law, in which a glider moves across an essentially frictionless airtrack, pulled by a light string which passes over a pulley and connects to a hanging mass. You take the following data: H = 75.0 cm t...
Tables of Second moment of inertia and mass moment of inertia are provided at the end...
Tables of Second moment of inertia and mass moment of inertia are provided at the end of the assignment. Be sure that you are looking at the right table. Mass moments have units of mass length2, second moment of inertia have units of length Problem 1 (10 pts) A floor joist has a 1" hole drilled in it to accommodate a water pipe. (see Figure at left). Compare the 2nd moment of inertia of the beam about the x axis...
torque rotational equilibrium 2. A 10 kg cat walks along a 3 m long plank with...
torque rotational equilibrium
2. A 10 kg cat walks along a 3 m long plank with a mass of 4 kg that is supported by two sawhorses. The right sawhorse is 0.7 m from the end of the plank. How far from the end of the right sawhorse can she walk before tipping the plank over. 3. Nintendo has designed a new minigame for the next Sonic Party. In the game, players have to balance a rigid body. Where should...
If you are designing a force multiplying system with two pneumatic cylinders. Your system should increase...
If you are designing a force multiplying system with two pneumatic cylinders. Your system should increase the force by a multiple of 4. What should you do? O decrease the area in the second cylinder O increase the area in the second cylinder 1 pts In an experiment you find that an object with a mass of 0.75 kg displaces 0.005 m3 of water when completely submerged. What is the buoyant force acting on the object? (water has a density...
62) Assume that you have a cylinder with a movable piston. What would happen to the gas pressure ...
62) Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you were to do the following? (a) Triple the Kelvin temperature while holding the volume constant (b) Reduce the amount of gas by 1/3 while holding the temperature and volume constant (c) Decrease the volume by 45% at constant T (d) Halve the Kelvin temperature, and triple the volume 63) Assuming that air contains 78.0 percent Ni, 20.0...
a-b LH al. 2017 1 .UU. (9%) Problem 10: Suppose you attach an object with mass...
a-b
LH al. 2017 1 .UU. (9%) Problem 10: Suppose you attach an object with mass m to a the end of a vertically hanging spring originally at rest, and let it bounce up and down. You release the object from rest at the spring's original rest length 50% Part (a) If the spring has a force constant of 9.5 N/m and the mass of the object is 0.25 kg, find the amplitude of the Oscillations, in meters. Grade Summary...
A gymnast with mass m-41 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m - 107 kg and length L 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left end of the beam. 1j What is the force the left support exerts on the beam? 2) What is the force the right support exerts on the t...
Henry Ford College Physics 231-02 Spring 2017 Problem 3 (25 points) a) An object of mass m swings in a horizontal circle on the string of length L that tilts downward at angle Find an expression for the angular velocity ay head in a horizontal circle. b) A student a 250 g rock to a 80 cm-long string and swings it her around ties a down at 10e angle? At what angular speed, in rpm, does the string tilt c)...
Question 1 5 pts Suppose you have a glider and a hanging mass that you wish to know the masses of but you do not have a triple-beam balance available. You set up an experiment like that done in Lab 4: Newton's Second Law, in which a glider moves across an essentially frictionless airtrack, pulled by a light string which passes over a pulley and connects to a hanging mass. You take the following data: H = 75.0 cm t...
Tables of Second moment of inertia and mass moment of inertia are provided at the end of the assignment. Be sure that you are looking at the right table. Mass moments have units of mass length2, second moment of inertia have units of length Problem 1 (10 pts) A floor joist has a 1" hole drilled in it to accommodate a water pipe. (see Figure at left). Compare the 2nd moment of inertia of the beam about the x axis...
torque rotational equilibrium
2. A 10 kg cat walks along a 3 m long plank with a mass of 4 kg that is supported by two sawhorses. The right sawhorse is 0.7 m from the end of the plank. How far from the end of the right sawhorse can she walk before tipping the plank over. 3. Nintendo has designed a new minigame for the next Sonic Party. In the game, players have to balance a rigid body. Where should...
If you are designing a force multiplying system with two pneumatic cylinders. Your system should increase the force by a multiple of 4. What should you do? O decrease the area in the second cylinder O increase the area in the second cylinder 1 pts In an experiment you find that an object with a mass of 0.75 kg displaces 0.005 m3 of water when completely submerged. What is the buoyant force acting on the object? (water has a density...
62) Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you were to do the following? (a) Triple the Kelvin temperature while holding the volume constant (b) Reduce the amount of gas by 1/3 while holding the temperature and volume constant (c) Decrease the volume by 45% at constant T (d) Halve the Kelvin temperature, and triple the volume 63) Assuming that air contains 78.0 percent Ni, 20.0...
a-b
LH al. 2017 1 .UU. (9%) Problem 10: Suppose you attach an object with mass m to a the end of a vertically hanging spring originally at rest, and let it bounce up and down. You release the object from rest at the spring's original rest length 50% Part (a) If the spring has a force constant of 9.5 N/m and the mass of the object is 0.25 kg, find the amplitude of the Oscillations, in meters. Grade Summary...
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