Homework Ch 2 Answers - Porterville College Home
... F = 4,000 N 22. What is the centripetal acceleration of a 1.2kg ball on the end of a 1.3m string traveling at 2.4 m/s? What is the centripetal force? ac = 4.43 m/s2 Fc = 5.32 N Thought Questions ...
... F = 4,000 N 22. What is the centripetal acceleration of a 1.2kg ball on the end of a 1.3m string traveling at 2.4 m/s? What is the centripetal force? ac = 4.43 m/s2 Fc = 5.32 N Thought Questions ...
Projectile motion and drag
... This section shows the use of a spreadsheet to calculate the properties of the motion of an object projected vertically upwards and affected by air resistance. Velocity at any point = v Drag force is proportional to v2 Drag force = Cv2 where C is the drag coefficient [= 0.00077 in this case] Acceler ...
... This section shows the use of a spreadsheet to calculate the properties of the motion of an object projected vertically upwards and affected by air resistance. Velocity at any point = v Drag force is proportional to v2 Drag force = Cv2 where C is the drag coefficient [= 0.00077 in this case] Acceler ...
Homework Ch 2 - Porterville College Home
... 17. What is the momentum of a 120kg football player traveling at 9m/s? 18. An airplane weighing 27355N is traveling at 75m/s. What is the airplane’s momentum? ...
... 17. What is the momentum of a 120kg football player traveling at 9m/s? 18. An airplane weighing 27355N is traveling at 75m/s. What is the airplane’s momentum? ...
Phys Sci Chapter 3 notes
... When an object falls, it is pulled downward by gravity. Air resistance—a force that acts on objects as they fall through the air. The amount of resistance on an object depends on the speed, size, and shape of the object. ...
... When an object falls, it is pulled downward by gravity. Air resistance—a force that acts on objects as they fall through the air. The amount of resistance on an object depends on the speed, size, and shape of the object. ...
Catalyst – October (Prime # between 11 and 17
... About 50 years ago the San Diego Zoo, in California, had the largest gorilla on Earth: its mass was 3.10x102kg. Suppose a gorilla with this mass hangs from two vines, each of which makes an angle of 30.0° with the vertical. Draw a free body diagram showing the various forces, and find the magnitude ...
... About 50 years ago the San Diego Zoo, in California, had the largest gorilla on Earth: its mass was 3.10x102kg. Suppose a gorilla with this mass hangs from two vines, each of which makes an angle of 30.0° with the vertical. Draw a free body diagram showing the various forces, and find the magnitude ...
8th 2014 midterm
... b) An object’s distance in a certain direction from a reference point. c) The rate of change of position in which the same distance is traveled each second. d) A change in the velocity during a time interval divided by the time interval during which the velocity changes. e) The speed and the directi ...
... b) An object’s distance in a certain direction from a reference point. c) The rate of change of position in which the same distance is traveled each second. d) A change in the velocity during a time interval divided by the time interval during which the velocity changes. e) The speed and the directi ...
Chapter 5 Summary
... you think that the body is accelerating in the negative direction, relative to the positive axis direction as you've defined it, make the right side of N.S.L. equal to -ma. --If you can, use the resulting expression to solve for the unknown you are seeking. If not, and you find more unknowns in the ...
... you think that the body is accelerating in the negative direction, relative to the positive axis direction as you've defined it, make the right side of N.S.L. equal to -ma. --If you can, use the resulting expression to solve for the unknown you are seeking. If not, and you find more unknowns in the ...
Physics Final - cloudfront.net
... 5. T: It is possible to use Newton’s equations to derive Kepler’s relationship that T2 is proportional to R3 for any orbit around a common body, where T is the period of orbit and R is the average radius. 6. T: At any instant, an orbiting moon has a velocity that is not in the direction of its accel ...
... 5. T: It is possible to use Newton’s equations to derive Kepler’s relationship that T2 is proportional to R3 for any orbit around a common body, where T is the period of orbit and R is the average radius. 6. T: At any instant, an orbiting moon has a velocity that is not in the direction of its accel ...
Motion in a Circle
... 3. Since the object experiences a resultant force towards the centre of the circle, by Newton’s 2nd law, there must be an acceleration towards the centre of the circle. This acceleration is called centripetal acceleration, which is a vector with units m s-2. In uniform circular motion, the speed of ...
... 3. Since the object experiences a resultant force towards the centre of the circle, by Newton’s 2nd law, there must be an acceleration towards the centre of the circle. This acceleration is called centripetal acceleration, which is a vector with units m s-2. In uniform circular motion, the speed of ...
Physics 102 Introduction to Physics
... cannonball is the same as the force exerted on the cannon. But the cannonball accerates more because of its much lower inertia (or mass). ...
... cannonball is the same as the force exerted on the cannon. But the cannonball accerates more because of its much lower inertia (or mass). ...
Equilibrium is not just translational, is is also rotational. While a set
... magnitude is 55 N is applied to a door. However, the lever arms are different lengths in each of three cases: (a) l = 0.80 m, (b) l = 0.60 m, (c) l = 0. Find the magnitude of the torque in each case. ...
... magnitude is 55 N is applied to a door. However, the lever arms are different lengths in each of three cases: (a) l = 0.80 m, (b) l = 0.60 m, (c) l = 0. Find the magnitude of the torque in each case. ...
Examination Paper (Mechanics)
... (6) A rigid body is made of three identical thin rods, each with length L, fastened together in the form of a letter H, as shown in the diagram. The body is free to rotate about a horizontal axis that runs along the length of one of the legs of the H. The body is allowed to fall from rest from a pos ...
... (6) A rigid body is made of three identical thin rods, each with length L, fastened together in the form of a letter H, as shown in the diagram. The body is free to rotate about a horizontal axis that runs along the length of one of the legs of the H. The body is allowed to fall from rest from a pos ...
June - Life Learning Cloud
... forces is modelled as a constant force of magnitude R newtons. When the car is moving up the road at a constant speed of 12.5 m s−1, the engine of the car is working at a constant rate of 3P watts. When the car is moving down the road at a constant speed of 12.5 m s−1, the engine of the car is worki ...
... forces is modelled as a constant force of magnitude R newtons. When the car is moving up the road at a constant speed of 12.5 m s−1, the engine of the car is working at a constant rate of 3P watts. When the car is moving down the road at a constant speed of 12.5 m s−1, the engine of the car is worki ...