35.7 grams of water has a temperature of 25.6°C before a hot metal is added to the water. The temperature of the water increases to 64.8 °C. Specific heat of water is Cor
4184 J/kg °C. What is the energy, Q. absorbed by the water?

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.

What is the magnitude of the gravitational force acting on the earth due to the sun?