Temperature increase, smaller container, or influx of more gas
Answer:
Clara has speed of 80m/min
Explanation:
Clara was jogging at 600 m in 5 minutes. She stopped suddenly which reduced her velocity and then she waited for 10 minutes so that her friends comes near her. She stopped to catch her friend. During this 10 minutes the velocity of Clara is zero. She started to walk again at a slower speed of 80m/min.
Answer: 
Explanation:
Given
mass of wagon m=5 kg
elevation

Sin component of weight will oppose the applied force therefore we can write


Answer: vf = 51 m/s and d= 112 m
Explanation: Solution attached.