What is the speed of the cars after collision

Reference no: EM1310210

Q1. A railroad freight car weighing 290 kN and travelling at 1.52 m/s overtakes one weighing 206 kN and travelling at 0.920 m/s in the same direction. The cars couple together. What is the speed of the cars after collision?

Q2. A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.

Reference no: EM1310210

Questions Cloud

Identify and strengths and/or weakness in analysis : Identify and strengths and/or weakness you identified in your analysis. and Any recommendations you feel are warranted at this time.

Computing the internal rate of return of investment : Compute the internal rate of return of each investment?

What is the total energy stored in this oscillation : A 0.39 kg iron horseshoe that is initially at 745°C is dropped into a bucket containing 24 kg of water at 46°C. What is the final equilibrium temperature? Neglect any heat transfer to or from the surroundings.

Describing statement of cash flows : A Statement of Cash Flow is the statement which demostrate inflow and outflows of cash and cash equivalents of an enterprise during the particular period.

What is the speed of the cars after collision : A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.

Calculation of expected return and beta : Calculation of expected return, beta, coefficient of variation, standard deviation and required rate of return

What is the linear density of the string : A ceiling fan with 89 diameter blades is turning at 65. Presume the fan coasts to a stop 30 after being turned off. Throughout how many revolutions does the fan turn while stopping.

What is the temperature t of the concorde''s skin in flight : Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.

Amount of amortization to pension expense : The average remaining service period for employees expected to receive benefits is ten years. What is the amount of amortization to pension expense for year?

User Account

All Pages