Physics 144 (section 1) Homework 4
... (a) Find the direction and magnitude of the impulse delivered to the ball by the bat. Assume the ball and bat are in contact for 1.5 ms. (b) How would your answer to part (a) change if the mass of the ball were ...
... (a) Find the direction and magnitude of the impulse delivered to the ball by the bat. Assume the ball and bat are in contact for 1.5 ms. (b) How would your answer to part (a) change if the mass of the ball were ...
force - the SASPhysics.com
... 1) A force of 1000 N is applied to push a mass of 500 kg. How quickly does it accelerate? 2) A force of 3000N acts on a car to make it accelerate by 1.5 m/s2. How heavy is the car? 3) A car accelerates at a rate of 5 m/s2. If it weighs 500 kg how much driving force is the engine applying? 4) A force ...
... 1) A force of 1000 N is applied to push a mass of 500 kg. How quickly does it accelerate? 2) A force of 3000N acts on a car to make it accelerate by 1.5 m/s2. How heavy is the car? 3) A car accelerates at a rate of 5 m/s2. If it weighs 500 kg how much driving force is the engine applying? 4) A force ...
Newton`s Laws of Motion
... you pushed a hockey puck with 200 N? 1. 0 N 2. 200 N against the push 3. 200 N in the direction of the push ...
... you pushed a hockey puck with 200 N? 1. 0 N 2. 200 N against the push 3. 200 N in the direction of the push ...
Forces-momentum
... • Rolling Friction: when an object rolls across a surface. - ex. Skateboarder: rolling friction acts in the direction opposite the to the skateboarders motion. • Fluid Friction: occurs when a solid object moves through fluid. ...
... • Rolling Friction: when an object rolls across a surface. - ex. Skateboarder: rolling friction acts in the direction opposite the to the skateboarders motion. • Fluid Friction: occurs when a solid object moves through fluid. ...
Work
... An easy way to tell if work is being done: Is a force acting on an object to cause a displacement? Is the amount of energy an object has (either kinetic or potential) ...
... An easy way to tell if work is being done: Is a force acting on an object to cause a displacement? Is the amount of energy an object has (either kinetic or potential) ...
Unit Two Chapter 3, Part 2 Projectile Motion
... experience a constant vertical acceleration of 10.0 m/s2 downward. (neglecting air resistance) ...
... experience a constant vertical acceleration of 10.0 m/s2 downward. (neglecting air resistance) ...
Test Prep #1
... 4. The net force is known for each situation. However, the magnitudes of a few of the individual forces are not known. Analyze each situation individually and determine the magnitude of the unknown forces. ...
... 4. The net force is known for each situation. However, the magnitudes of a few of the individual forces are not known. Analyze each situation individually and determine the magnitude of the unknown forces. ...
Chapter 3
... 10. Which of the following is a type of linear motion? a. angular motion b. curvilinear motion c. angulolinear motion d. curviangular motion 11. Which of the following statements accurately describes the relationship between linear and angular motion? a. angular motion of the joints produces linear ...
... 10. Which of the following is a type of linear motion? a. angular motion b. curvilinear motion c. angulolinear motion d. curviangular motion 11. Which of the following statements accurately describes the relationship between linear and angular motion? a. angular motion of the joints produces linear ...
Midterms: Place, Rules, How to study
... velocity having an x component of 20 m/s and a y component of -15 m/s. The particle moves in the x-y plane with only an x component of acceleration, given by ax = 4.0 m/s2. (a) Determine the velocity at any time t. (b) Calculate the speed and direction of motion of the particle at t = 5.0 s. A: v = ...
... velocity having an x component of 20 m/s and a y component of -15 m/s. The particle moves in the x-y plane with only an x component of acceleration, given by ax = 4.0 m/s2. (a) Determine the velocity at any time t. (b) Calculate the speed and direction of motion of the particle at t = 5.0 s. A: v = ...
Physics 102 Introduction to Physics
... Stationary object .. Won’t move unless pushed Cart on Air Track .. Moves at constant velocity unless stopped or pushed - Acceleration depends on the NET force on an object. - Double the net force; double the acceleration - Triple the net force; triple the acceleration … in other words … ...
... Stationary object .. Won’t move unless pushed Cart on Air Track .. Moves at constant velocity unless stopped or pushed - Acceleration depends on the NET force on an object. - Double the net force; double the acceleration - Triple the net force; triple the acceleration … in other words … ...
Force
... 1. Describe what a force is in your own words or give an example and explain your answer. 2. Calculate Net Force: Two students push a box in the same direction, and one pushes in the opposite direction. What is the net force on the box if each pushes with a force of 50N? Draw a sketch and solve the ...
... 1. Describe what a force is in your own words or give an example and explain your answer. 2. Calculate Net Force: Two students push a box in the same direction, and one pushes in the opposite direction. What is the net force on the box if each pushes with a force of 50N? Draw a sketch and solve the ...
Measuring Motion
... object in relation to a reference point O Identify the two factors that determine speed O Explain the difference between speed and velocity O Analyze the relationship between velocity and ...
... object in relation to a reference point O Identify the two factors that determine speed O Explain the difference between speed and velocity O Analyze the relationship between velocity and ...