A man leaves his front door, walks 1000 ft east, 2000 ft north, and then takes a penny from his pocket and drops it from a cliff 500 ft high. Question: Graph/Draw/Set Up a coordinate system.

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Q: 10. A car travels 250 km in 5 hours. Find its average speed? *

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Q: Find the work done in moving crate by distance 0.11 m when applied force is 2 N

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Q: position (m) 120 100 80 60 40 20 O 3 6 9 time (s) 12 15 18

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Q: SAQ 3 (Problem) Calculate the tension in each cable. (ANS: TDA = 346.5N and TDB = 245N) A 45° 25kg B

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.