1. in 1 L of water at a temperature of 30°C, insert an iron ball weighing 120 g heated to 95°C. determine the temperature of the mixture. 2. in water of temperature 25°C we pour water of the same mass, but temperature 70°C. what is temperature of the mixture? ​

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader