Everything Science Grade 11

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 In the last step the direction was added in words. Since the result in thesecond las ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE When the tennis ball bounces back it changes direction. The final velocity will thus ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 the ball’s mass (m = 0,8 kg), the ball’s initial velocity (vi= 6 m·s−^1 ), and the ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Newton’s Second Law revisited ESBFI You have learned aboutNewton’s Second Law of mot ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 Example 31: Impulse and Change inmomentum QUESTION A 150 N resultant forceacts on a ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Example 32: Impulsive cricketers! QUESTION A cricket ball weighing156 g is moving at ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 Let us choose the direction from the batsman to the bowler as the positive di- recti ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE A bullet of mass 20g strikes a target at 300m·s−^1 and exits at 200 m·s−^1. The tip ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 vi 1 vi 2 m 1 m 2 Figure 12.10: Before thecollision. The total momentum ofthe system ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE the car rebounds at 2,05m·s−^1 , calculate the velocity of the train. SOLUTION Step ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 fired. SOLUTION Step 1 : Draw rough sketch of the situation helicopter missile 5000 ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE has come out the otherside. SOLUTION Step 1 : Draw rough sketch of the situation 2 k ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 Air-Bags in Motor Vehicles Air bags are used in motor vehicles because theyare able ...

12.6 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE collision, the force of the impact is minimised.Take care to aim at thesheet, becaus ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.6 as the product of the distance from the support or pivot (r) and the component offor ...

12.6 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Example 36: Merry-go-round QUESTION Several children are playing in the park. One ch ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.6 Example 37: Flat tyre QUESTION Kevin is helping his dadreplace the flat tyre on the ...

12.6 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Step 5 : Write the final answer The torque from the perpendicular force is greater t ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.6 DEFINITION: Lever A lever is a rigid object that is used with an appropriate fulcrum ...

12.6 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE The effort is found by balancing torques. Fload· rload = Feffort· reffort 980N· 0 .5 ...