File
... • When an object is thrown up in the air, it has a positive velocity and a negative acceleration. • At the top of its path, the object’s velocity has decreased until it is zero. • When the object begins moving down, it has a negative velocity and its acceleration is still negative. ...
... • When an object is thrown up in the air, it has a positive velocity and a negative acceleration. • At the top of its path, the object’s velocity has decreased until it is zero. • When the object begins moving down, it has a negative velocity and its acceleration is still negative. ...
TUTORIAL 4 WORK, ENERGY AND POWER An escalator is used to
... b) At the top of the peak 8. A spring is extended by 5 cm when it is stretched by an external force of 1 N. If the spring is extended by 10 cm, what is the elastic potential energy stored in the spring? 9. A 1.5 x 103 kg car needs to pass a slow moving lorry. The velocity of a car changes from 15.2 ...
... b) At the top of the peak 8. A spring is extended by 5 cm when it is stretched by an external force of 1 N. If the spring is extended by 10 cm, what is the elastic potential energy stored in the spring? 9. A 1.5 x 103 kg car needs to pass a slow moving lorry. The velocity of a car changes from 15.2 ...
Physics Review with Key Ideas #1-19
... The volume of an object is equal to the volume of the fluid it displaces. Buoyant force = the weight of the fluid displaced. If buoyant force = weight it will float, if buoyant force is less than the weight, it will sink. ...
... The volume of an object is equal to the volume of the fluid it displaces. Buoyant force = the weight of the fluid displaced. If buoyant force = weight it will float, if buoyant force is less than the weight, it will sink. ...
ALL PHYSICS REVIEW SHEET NAME: 1. Change .0005 m to milli
... 25. If a truck 5000kg moving 45m/s collides head on with a car 3444kg moving 34m/s in the other direction, what will their speed be? 26. If a crate 344kg slides 4m down a 46º ramp at a constant speed because of a man pushing back on it, find a) force exerted by man b) work done by man on crate, c) w ...
... 25. If a truck 5000kg moving 45m/s collides head on with a car 3444kg moving 34m/s in the other direction, what will their speed be? 26. If a crate 344kg slides 4m down a 46º ramp at a constant speed because of a man pushing back on it, find a) force exerted by man b) work done by man on crate, c) w ...
Universal Gravitation
... square of its distance from its source, it follows an inverse-square law • The greater the distance from Earth’s center, the less an object will weigh • You may weigh 300N at sea level, but only 299N at the top of Mount Everest ...
... square of its distance from its source, it follows an inverse-square law • The greater the distance from Earth’s center, the less an object will weigh • You may weigh 300N at sea level, but only 299N at the top of Mount Everest ...
Getting to Know: Speed, Velocity, and Acceleration
... solve problems related to motion. As you do, remember that motion is a concept we describe numerically, and operate on mathematically. The equations you use will always need units, such as kilometers per hour, or meters per minute. Pay close attention to the units you use, and make sure you keep the ...
... solve problems related to motion. As you do, remember that motion is a concept we describe numerically, and operate on mathematically. The equations you use will always need units, such as kilometers per hour, or meters per minute. Pay close attention to the units you use, and make sure you keep the ...
Electric Fields II
... 8. Copy the figure below to your paper. This figure shows electric field lines. The electric field is constant and is equal to 1,000 N/C in the +Y direction. Draw four or five equipotential lines and label them with locations and values. (Hint: The V = 0 line is your choice, as are the scale and dis ...
... 8. Copy the figure below to your paper. This figure shows electric field lines. The electric field is constant and is equal to 1,000 N/C in the +Y direction. Draw four or five equipotential lines and label them with locations and values. (Hint: The V = 0 line is your choice, as are the scale and dis ...
Electric Fields II
... 8. Copy the figure below to your paper. This figure shows electric field lines. The electric field is constant and is equal to 1,000 N/C in the +Y direction. Draw four or five equipotential lines and label them with locations and values. (Hint: The V = 0 line is your choice, as are the scale and dis ...
... 8. Copy the figure below to your paper. This figure shows electric field lines. The electric field is constant and is equal to 1,000 N/C in the +Y direction. Draw four or five equipotential lines and label them with locations and values. (Hint: The V = 0 line is your choice, as are the scale and dis ...
Final Questions
... 82. What happens when a rubber rod is rubbed with a piece of fur, giving it a negative charge? 83. A repelling force occurs between two charged objects when 84. An attracting force occurs between two charged objects when 85. What is an electric insulator? 86. What is induction? (Draw a picture) 87. ...
... 82. What happens when a rubber rod is rubbed with a piece of fur, giving it a negative charge? 83. A repelling force occurs between two charged objects when 84. An attracting force occurs between two charged objects when 85. What is an electric insulator? 86. What is induction? (Draw a picture) 87. ...
Physics Quiz 9-3
... The first pitch is harder to stop. The first pitch has greater momentum because it has a greater velocity, so the change in momentum to zero is greater. ...
... The first pitch is harder to stop. The first pitch has greater momentum because it has a greater velocity, so the change in momentum to zero is greater. ...
MOTION
... – for every action or force, there is an equal and opposite reaction or force Bumper cars If the forces both act on the ...
... – for every action or force, there is an equal and opposite reaction or force Bumper cars If the forces both act on the ...
Unit 5 Notes - Killeen ISD
... 2. A Force equals mass times acceleration (F = ma) – This is Newton’s 2nd Law 3. Balanced forces result in no change to an object’s motion. The two forces are both equal and opposite. 4. Unbalanced forces are when two forces are not equal; one force is greater than the other force and causes the obj ...
... 2. A Force equals mass times acceleration (F = ma) – This is Newton’s 2nd Law 3. Balanced forces result in no change to an object’s motion. The two forces are both equal and opposite. 4. Unbalanced forces are when two forces are not equal; one force is greater than the other force and causes the obj ...
Motion Forces and Work rvw pak 13.14
... 7.P.1 Understand motion, the effects of forces on motion and the graphical representations of motion. 7.P.1.1 Explain how the motion of an object can be described by its position, direction of motion, and speed with respect to some other object. 7.P.1.2 Explain the effects of balanced and unbalanced ...
... 7.P.1 Understand motion, the effects of forces on motion and the graphical representations of motion. 7.P.1.1 Explain how the motion of an object can be described by its position, direction of motion, and speed with respect to some other object. 7.P.1.2 Explain the effects of balanced and unbalanced ...