PLS HELP 40 POINTS Two football players with mass 120 kg and 90 kg run directly toward each other with speeds 8 m/s and 5 m/s respectively. After they collide, the larger player continues forward with a speed of 2 m/s. What is the new speed of the second player?

What is the speed of an object at a given moment?

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity