Unit 7A packet—Motion
... friction to fluid friction. Oil, grease, and wax are examples of lubricants. Friction is not always bad. You want friction to help your tires stop sliding on a wet road. Without friction, you could not walk. Think of how you easily you would be able to walk on an ice skating rink. Imagine a sunrise. ...
... friction to fluid friction. Oil, grease, and wax are examples of lubricants. Friction is not always bad. You want friction to help your tires stop sliding on a wet road. Without friction, you could not walk. Think of how you easily you would be able to walk on an ice skating rink. Imagine a sunrise. ...
Angular Momentum FA#7--Angular Momentum
... (2) A student (I = 0.4 kgm2) is spinning on a spinning chair with a rotational speed of 2π rad/sec when another student exerts a torque on her with a force of 10 N for 2 seconds at a distance of 0.5 m from her axis of rotation in the CCW direction. What will be her new angular momentum just after th ...
... (2) A student (I = 0.4 kgm2) is spinning on a spinning chair with a rotational speed of 2π rad/sec when another student exerts a torque on her with a force of 10 N for 2 seconds at a distance of 0.5 m from her axis of rotation in the CCW direction. What will be her new angular momentum just after th ...
Chapter 16 Light Waves and Color
... #Light from a single slit is split by passing through two slits, resulting in two light waves in phase with each other. #The two waves will interfere constructively or destructively, depending on a difference in the path length. #If the two waves travel equal distances to the screen, they interfere ...
... #Light from a single slit is split by passing through two slits, resulting in two light waves in phase with each other. #The two waves will interfere constructively or destructively, depending on a difference in the path length. #If the two waves travel equal distances to the screen, they interfere ...
Revision
... moves North and Y moves East. Which of the following best gives the direction of the velocity of X relative to Y? In the figure above, X and Y are blocks of mass 1 kg and 2 kg respectively. S is a spring balance of negligible mass and P is a smooth pulley fixed at the top of two smooth inclined plan ...
... moves North and Y moves East. Which of the following best gives the direction of the velocity of X relative to Y? In the figure above, X and Y are blocks of mass 1 kg and 2 kg respectively. S is a spring balance of negligible mass and P is a smooth pulley fixed at the top of two smooth inclined plan ...
Work and Energy - curtehrenstrom.com
... Power (P) •does not refer to strength as is the common definition! •the timed rate at which work is done (or the rate at which energy is expended) •depends directly upon the work and inversely upon the time to do that work! ...
... Power (P) •does not refer to strength as is the common definition! •the timed rate at which work is done (or the rate at which energy is expended) •depends directly upon the work and inversely upon the time to do that work! ...
Year 13 Momentum - Rogue Physicist
... c) Show that the momentum before and after is equal both in magnitude and direction d) Find the total kinetic energy of the system before and after the collision. comment on your answer. 2) Two ice skaters, initially at rest, push away from each other. The ice skaters have masses of 75kg and 65kg re ...
... c) Show that the momentum before and after is equal both in magnitude and direction d) Find the total kinetic energy of the system before and after the collision. comment on your answer. 2) Two ice skaters, initially at rest, push away from each other. The ice skaters have masses of 75kg and 65kg re ...
Physics HSC - Kotara High School
... because the projectile will attempt to follow an elliptical orbit, with one of the foci of the ellipse as the Earth’s centre. Thus the projectile would have to carry a means of secondary propulsion which would be able to be used to alter the trajectory at an appropriate altitude and speed. So GTLS ( ...
... because the projectile will attempt to follow an elliptical orbit, with one of the foci of the ellipse as the Earth’s centre. Thus the projectile would have to carry a means of secondary propulsion which would be able to be used to alter the trajectory at an appropriate altitude and speed. So GTLS ( ...
Ch. 27: Quantum Physics
... speeds near to the speed of light, 3×108m/s. Everyday objects on Earth move at speeds much less than the speed of light, so that the difference between the results determined including the effects of relativity and without differ by minuscule amounts. Said another way, the best way to solve problems ...
... speeds near to the speed of light, 3×108m/s. Everyday objects on Earth move at speeds much less than the speed of light, so that the difference between the results determined including the effects of relativity and without differ by minuscule amounts. Said another way, the best way to solve problems ...
Work and Energy MC
... friction and wind resistance, which one of the following statements is true? A) The amount of internal energy converted to gravitational potential energy of the system Joe- Earth is equal to the amount of internal energy converted to gravitational potential energy of the system Bob-Earth, but the av ...
... friction and wind resistance, which one of the following statements is true? A) The amount of internal energy converted to gravitational potential energy of the system Joe- Earth is equal to the amount of internal energy converted to gravitational potential energy of the system Bob-Earth, but the av ...
Document
... velocity is zero. The average speed is a scalar quantity and defined as the total distance traveled divided by it takes = 40 km /2 h = 20 km/h The instantaneous velocity vx equals the limiting value of the ratio ∆x/∆t ∆x dx as ∆t approaches zero. ...
... velocity is zero. The average speed is a scalar quantity and defined as the total distance traveled divided by it takes = 40 km /2 h = 20 km/h The instantaneous velocity vx equals the limiting value of the ratio ∆x/∆t ∆x dx as ∆t approaches zero. ...
Linear Velocity Measurement - mne.psu.edu - PSU MNE
... o Thus, velocity measurement by differentiation of displacement data is generally not a wise choice unless the displacement sensor has an extremely high signal-to-noise ratio. o However, displacement can be used to very accurately measure average velocity. o For example, a runner or race car driver ...
... o Thus, velocity measurement by differentiation of displacement data is generally not a wise choice unless the displacement sensor has an extremely high signal-to-noise ratio. o However, displacement can be used to very accurately measure average velocity. o For example, a runner or race car driver ...
33 Special Relativity - Farmingdale State College
... right. An observer on the shore sees the projectile motion as in figure 33.4(a). The observed motion of the projectile is the same as in figure 33.2(b), but now the observer on the shore sees the rock fall into the water behind the boat rather than back onto the same point on the boat from which the ...
... right. An observer on the shore sees the projectile motion as in figure 33.4(a). The observed motion of the projectile is the same as in figure 33.2(b), but now the observer on the shore sees the rock fall into the water behind the boat rather than back onto the same point on the boat from which the ...
Energy and Power
... • as wave passes, the “particles” in the medium oscillate • medium has both inertia (KE) and elasticity (PE) • dimensional argument: v= length/time LT-1 • inertia is the mass of an element =mass/length ML-1 • tension F is the elastic character (a force) MLT-2 • how can we combine tension and mass d ...
... • as wave passes, the “particles” in the medium oscillate • medium has both inertia (KE) and elasticity (PE) • dimensional argument: v= length/time LT-1 • inertia is the mass of an element =mass/length ML-1 • tension F is the elastic character (a force) MLT-2 • how can we combine tension and mass d ...
P3 Booklet FINAL - Highfields School, Wolverhampton
... changes (if speed is in m/s then acceleration is in m/s2) Air bags Cushions which inflate with gas to protect people in a vehicle accident Air resistance The force exerted by air to any object passing through it Average speed Total distance travelled divided by the total time taken for a journey Bal ...
... changes (if speed is in m/s then acceleration is in m/s2) Air bags Cushions which inflate with gas to protect people in a vehicle accident Air resistance The force exerted by air to any object passing through it Average speed Total distance travelled divided by the total time taken for a journey Bal ...
