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True/False Indicate whether the sentence or statement is true or false. 1. The inertia of mass...
True or false and why for the following in regards to Newton’s 2nd law: 1. if...
True or false and why for the following in regards to Newton’s 2nd law: 1. if the net force on an object is tripled and its mass is halved then its acceleration will increase by a factor of 6 2. if the net force on an object is halved and its mass is doubled then its acceleration will stay the same
i) _________ True or False. A force with a strength of 50 Newtons acts on two...
i) _________ True or False. A force with a strength of 50 Newtons acts on two different objects: a car and a truck. Because the force on the truck is the same as the force on the car, both vehicles will experience the same acceleration. Explain your reasoning. ii) Give an example of rotational motion. iii) When the net torque on an object is zero, the object will a) continue to spin in the same direction (clockwise or counterclockwise) b)...
Indicate whether each item is true or false. If an item is false, please correct it...
Indicate whether each item is true or false. If an item is false, please correct it so that it is true. Speed is a scalar quantity. Work and energy are vector quantities. Objects that are not moving cannot have any work done to them. Pressure is uniform throughout a fluid, regardless of depth Density of a material changes as the temperature of the material changes. Solids are always more dense than liquids. Liquids are always more dense than gases Falling...
1).In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False...
1).In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v' in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r= 10 cm...
Physics Midterm Free Fall and Universal Gravitation 19. Which of the graphs above accurately display a...
Physics Midterm Free Fall and Universal Gravitation 19. Which of the graphs above accurately display a distance- time graph for an object in freefall, assume the graph starts at the point that the object was dropped, and that downward motion is positive? 20. Which of the graphs above accurately display a Velocity -time graph for an object in freefalil, assume the graph starts at the point that the object was dropped, and that downward motion is positive? 21. Which of...
2. Indicate whether each statement is true or false. If False, rewrite the sentence so that...
2. Indicate whether each statement is true or false. If False, rewrite the sentence so that it is true. (a) When AG® is positive, Keq> 1 (b) AG and AG' mean the same thing, (c) When AG = 1.0 kJ/mol, Keq=1 (d) AG is less than zero (AG<0) when Q > Keq
1_ Read the following statement and answer whether it is True or False and give a...
1_ Read the following statement and answer whether it is True or False and give a brief explanation in support of your answer. In an object is not accelerating, no external force is acting on it 2_ It is possible to have motion in the absence of a force? Give a brief explanation in support of your answer. 3_ Explain why a passenger is thrown backwards when a bus at rest suddenly accelerates.
please ansa all A car travels around a curve with constant speed. The correct statement from...
please ansa all
A car travels around a curve with constant speed. The correct statement from the following is the car has an acceleration directed inward toward the center of the curve. the velocity of the car is constant. the car has an acceleration direction outward from the center of the curve. the car has zero acceleration. the car has an acceleration directed in the instantaneous direction of the velocity vector. A ball is whirled on the end of a...
Circular Motion Concepts For each of the following statements determine whether it is true, false or...
Circular Motion Concepts For each of the following statements determine whether it is true, false or undetermined. True In order for an object to travel in a circle, a force must be applied on the object that points away from center of the circle. False Water is removed from clothes in a spin dryer in the direction that is tangential to the circle. False The magnitude of the gravitation force exerted by the Moon on the Earth is greater than...
1). In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b)...
1). In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v'in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r = 10...
1).In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v' in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r= 10 cm...
Physics Midterm Free Fall and Universal Gravitation 19. Which of the graphs above accurately display a distance- time graph for an object in freefall, assume the graph starts at the point that the object was dropped, and that downward motion is positive? 20. Which of the graphs above accurately display a Velocity -time graph for an object in freefalil, assume the graph starts at the point that the object was dropped, and that downward motion is positive? 21. Which of...
2. Indicate whether each statement is true or false. If False, rewrite the sentence so that it is true. (a) When AG® is positive, Keq> 1 (b) AG and AG' mean the same thing, (c) When AG = 1.0 kJ/mol, Keq=1 (d) AG is less than zero (AG<0) when Q > Keq
please ansa all
A car travels around a curve with constant speed. The correct statement from the following is the car has an acceleration directed inward toward the center of the curve. the velocity of the car is constant. the car has an acceleration direction outward from the center of the curve. the car has zero acceleration. the car has an acceleration directed in the instantaneous direction of the velocity vector. A ball is whirled on the end of a...
Circular Motion Concepts For each of the following statements determine whether it is true, false or undetermined. True In order for an object to travel in a circle, a force must be applied on the object that points away from center of the circle. False Water is removed from clothes in a spin dryer in the direction that is tangential to the circle. False The magnitude of the gravitation force exerted by the Moon on the Earth is greater than...
1). In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v'in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r = 10...
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