Cashbook CA 1.
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Enter the following transactions in the Single Column Cashbook of Mr. Amar:
April 5.
Started a business with cash Rs. 2,00,000
April 6. Paid for goods purchased Rs. 50,000.
April 9. Purchased office furniture for cash Rs. 20,000
April 12: Sold goods for cash Rs. 20,000
April 15: Deposited into bank Rs. 1,00,000
April 20: Purchased goods on credit from Mr. Shakya Rs. 30,000
April 24: Paid Rs. 30,000 to Mr. Shakya

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?