What is the velocity of the rocket

Reference no: EM1310165

Q1. A 5.00 kg model rocket is launched, expelling 61.00 g of burned fuel from its exhaust at a speed of 575 m/s. What is the velocity of the rocket after fuel has burned? Hint: Ignore the external forces of gravity and air resistance.

Q2. A 0.34 kg iron horseshoe that is initially at 616 ?C is dropped into a bucket containing 25 kg of water at 28 ?C. What is the final equilibrium temperature? Avoid any energy transfer to or from the surroundings and assume the specific heat of iron is 448 J/kg ? C. The specific heat of water is 4185 J/kg •? C.

Reference no: EM1310165

Questions Cloud

Computation of effective annual yield and bond value : Computation of effective annual yield and bond value and What is the yield of the 5-year bond expressed as an effective annual yield?

What would be the budgeted production for march : What would be the effect on income from operations if absorption costing is used rather than variable costing and What would be the budgeted production for March

What is the ball''s maximum height : A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill.

Residual income and return on investment : Explain why a firm like Grate Care might decide to use both residual income and return on investment as measures of performance.

What is the velocity of the rocket : A 0.34 kg iron horseshoe that is initially at 616 ?C is dropped into a bucket containing 25 kg of water at 28 ?C. What is the final equilibrium temperature? Avoid any energy transfer to or from the surroundings and assume the specific heat of iron is..

Determining internal rate of return : Determine the internal rate of return compounded annually on this investment?

Objective questions of financial management : Objective questions of financial management.

Find the following statements is correct : Jay sold land (a capital asset) to an unrelated party for $20,000 cash and a 9% note for $100,000 due in two years. His basis in the land was $40,000. Which of the following statements is correct?

Find the tension in the cable : A somewhat longer cable replaces the old and is attached to the steel bar 5 m from its upper end, connecting to the same place on the wall as before and maintaining the same angle between the bar and the wall.

User Account

All Pages