3. What is the mass of a sample of alcohol (Specific heat = 2445 J/kg °C.) If it requires 4780 J of heat to raise the temperature by 5.43°C?
Given
Unknown Equation. Substitution
Solved

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.