Find the initial and final kinetic energy

Assignment Help Physics

Reference no: EM13651285

A model-train car of mass 275 gtraveling with a speed of 0.50 m/s links up with another car ofmass 410 g that is initially at rest.

a) What is the speed of the cars immediately after they have linked together?
b) Find the initial kinetic energy.
c) Find the final kinetic energy.

Reference no: EM13651285

Questions Cloud

Explain cobalt chloride needed to prepare cobalt fluoride : How many grams of cobalt (III) chloride and of hydrogen fluoride are needed to prepare 100.00 grams of cobalt (III) fluoride

Coefficient of kinetic friction between the puck and the ice : A hockey puck is sliding across a frozen pond with an initial speedof 8.1 m/s. It comes to rest after sliding adistance of 17.0 m. What is the coefficient of kinetic friction between the puck and the ice?

Case study-designing for dollars : Critically analyse the strategic decision made by Whirlpool. Discuss carefully how the company initiated successful decisions and how each strategic level has been considered to compete in the market.

Determine what is the speed of the diver : an 80.0 kg skydiver jumps out of a balloon at an altitude of 1000m and opens the parachute at an altitude of 200m. what is the speed of the diver when he lands on the ground

Find the initial and final kinetic energy : A model-train car of mass 275 gtraveling with a speed of 0.50 m/s links up with another car ofmass 410 g that is initially at rest. What is the speed of the cars immediately after they have linked together? Find the initial kinetic energy.

Explain what was the contaminant concentration in the air : Assuming 100% trapping efficiency because no weight gain was observed in a second Tenax tube placed in series after the first, what was the contaminant concentration in the air in ppm. The ambient temperature was 18 degrees C and pressure was 750 ..

Which of the two alternatives will add the most value : Which of the two alternatives will add the most value? Show your calculations and work

Determine the new value of the fundamental frequency : A vibrating string has a fundamental frequency of 224 Hz. The tension is then increased by a factor of2.4. What is the new value of the fundamental frequency

Explain what flow rate of air must be entering the hood : What flow rate of air must be entering the hood so that the hydrogen gas does not pose a flammability hazard

User Account

All Pages