8th 2014 midterm
... 7) If an object is at rest, what is its speed? 8) What does acceleration describe? 9) What does instantaneous speed mean? 10) What two things do you need to know to describe velocity? 11) A straight horizontal line on a speed-time graph says what? 12) A car slows down. Is it accelerating? 13) An obj ...
... 7) If an object is at rest, what is its speed? 8) What does acceleration describe? 9) What does instantaneous speed mean? 10) What two things do you need to know to describe velocity? 11) A straight horizontal line on a speed-time graph says what? 12) A car slows down. Is it accelerating? 13) An obj ...
實驗3：轉動-剛體的轉動運動Lab. 3 : Rotation
... every portion on the object rotates through the same angle in a given time interval and has the same angular speed and the same angular acceleration. – So q, , all characterize the motion of the entire rigid object as well as the individual particles in the object. ...
... every portion on the object rotates through the same angle in a given time interval and has the same angular speed and the same angular acceleration. – So q, , all characterize the motion of the entire rigid object as well as the individual particles in the object. ...
PHY203F08 Exam 3 Name
... 3. A pitcher throws a baseball with a speed of 27 m/s. After being struck by a bat the ball travels in the opposite direction with a speed of 40 m/s. If the ball has a mass of 0.11 kg and is in contact with the bat for 3.0 ms, the average force exerted by the bat on the ball is A) 0.99 kN B) 4.8 kN ...
... 3. A pitcher throws a baseball with a speed of 27 m/s. After being struck by a bat the ball travels in the opposite direction with a speed of 40 m/s. If the ball has a mass of 0.11 kg and is in contact with the bat for 3.0 ms, the average force exerted by the bat on the ball is A) 0.99 kN B) 4.8 kN ...
Motion Characteristics for Circular Motion
... Note that since the period of motion and the frequency are inverses of each other, another method to determine speed could be v = 2πrf ...
... Note that since the period of motion and the frequency are inverses of each other, another method to determine speed could be v = 2πrf ...
Pre-lab on forces
... 1. Measure the mass of the car, convert to kilograms. Record in data table. 2. Measure the length of the ramp in cm; convert to meters. Record data. 3. Run car down ramp, record number of seconds (to the hundredth) it takes to hit the wall. Do 3 trials. Record data 4. Find average speed, distance di ...
... 1. Measure the mass of the car, convert to kilograms. Record in data table. 2. Measure the length of the ramp in cm; convert to meters. Record data. 3. Run car down ramp, record number of seconds (to the hundredth) it takes to hit the wall. Do 3 trials. Record data 4. Find average speed, distance di ...
Forces - Solon City Schools
... projected near the surface of the earth. An object thrown will hit the ground at the same time that an object is dropped from the same height. Gravitational acceleration is 9.8 m/s2. ...
... projected near the surface of the earth. An object thrown will hit the ground at the same time that an object is dropped from the same height. Gravitational acceleration is 9.8 m/s2. ...
Acceleration - pruettscience
... Mass & Acceleration. – The units used for force are Newtons (N) – The units used for mass are kilograms (kg) – The acceleration units are meters per second squared (m/sec2). ...
... Mass & Acceleration. – The units used for force are Newtons (N) – The units used for mass are kilograms (kg) – The acceleration units are meters per second squared (m/sec2). ...
29006_L6_M
... • It is the law which explains how things move - dynamics • If a net force is applied to an object it will accelerate – change its velocity • It includes the law of inertia if there is no force, F = 0, then the acceleration = 0 the velocity doesn’t change no force is needed to keep an object m ...
... • It is the law which explains how things move - dynamics • If a net force is applied to an object it will accelerate – change its velocity • It includes the law of inertia if there is no force, F = 0, then the acceleration = 0 the velocity doesn’t change no force is needed to keep an object m ...
MS-Word format
... / T. The height h can be calculated from h = vy(0)T/8, from which the power can be calculated: P = mgvy(0)/4 = (g – max[0, g – vx2/L])mgT/4 For walking at low speed, the power is PW = vx2mgT/4L, whereas for running the power is PR = mg2T/4. At the transition speed, the power required for m = 50 kg ...
... / T. The height h can be calculated from h = vy(0)T/8, from which the power can be calculated: P = mgvy(0)/4 = (g – max[0, g – vx2/L])mgT/4 For walking at low speed, the power is PW = vx2mgT/4L, whereas for running the power is PR = mg2T/4. At the transition speed, the power required for m = 50 kg ...
Print Newton`s Laws problem set #1
... 3) You pull on the tail of a 200kg baby elephant with a force of 500N. a. If the frictional force is 260N, what is the net force.? b. What is the elephant’s acceleration? 4) A boat moves through the water with two forces acting on it. One is a 2100N forward push by the motor and the other is an 1800 ...
... 3) You pull on the tail of a 200kg baby elephant with a force of 500N. a. If the frictional force is 260N, what is the net force.? b. What is the elephant’s acceleration? 4) A boat moves through the water with two forces acting on it. One is a 2100N forward push by the motor and the other is an 1800 ...
