A 230 g ball is dropped from a height of 2.2 m and bounces on a hard floor. The force on the ball from the floor is shown in (Eigure 1 ). Figure F, (N) 1000 0 A 2 1 of 1 -t (ms) 8 Part A How high does the ball rebound? Express your answer to two significant figures and include the appropriate units. h=| Value Submit HÅ Provide Feedback Request Answer Units ? keyboard shortcuts
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- A small, 150 g cart is moving at 1.70 m/s on a frictionless track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. Part A What is the speed of the large cart after the collision? Express your answer with the appropriate units. V= 00 Submit μA Value Request Answer Units ?A 980-kgkg sports car collides into the rear end of a 2500-kgkg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.9 mm before stopping. The police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. 1.What was the speed sports car at impact? Express your answer to two significant figures and include the appropriate units. V=??Cor A 1.6 kg object moving at 1.5 m/s collides elastically with a stationary 1.6 kg object, similar to the situation shown in the figure (Figure 1). Part A How far will the initially stationary object travel along a 37° inclined plane? (Neglect friction.) Express your answer using two significant figures. Figure < 1 of 1 m = P Previous Answers Request Answer Submit 2.0 kg 1.0kg 10 m/s 37° X Incorrect; Try Again; 6 attempts remaining
- Adolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face, they push off against one another. Adolf has a mass of 120 kg, and Ed has a mass of 89 kg. Following the push, Adolf swings upward to a height of 0.69 m above his starting point. To what height above his own starting point does Ed rise? Number i Units6. A 2.0 kg bag is held by a string to the ceiling as shown in the diagram below. A 10 g bullet strikes the stationary bag. The speed of the bag and bullet after the collision is 0.80 m/s. Assuming there is no friction, determine the maximum height of the bag after the collision. Please hand write it, clearly.A 2.5 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown in (Figure 1). Figure Fx (N) 12- Io 0.50 s 0 -12- t (s) 1 of 1 Part A What are the object's speed and direction after the force ends? Express your answer with the appropriate units. Enter positive value if the speed is directed to the right and negative value if the speed is directed to the left. VI = Submit μA Value Provide Feedback Request Answer Units ? Activate Windo Go to Settings to act