Будь ласка розв'яжіть її з дано, системою сі та розв'язком. буду дуже вдячний: ).

10. у каструлі теплоємністю 300 дж/°c знаходиться вода масою 3 кг при температурі 17 градусів. у каструлю опустили 400 г мокрого снігу. скільки води містив сніг, якщо після його танення температура води стала рівною 7 градусів?

Aspecial electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. the sensor measures the magnitude of the normal force that the seat exerts on a rider. the loop-the-loop ride is in the vertical plane and its radius is 23 m. sitting on the seat before the ride starts, a rider is level and stationary, and the electronic sensor reads 740 n. at the top of the loop, the rider is upside down and moving, and the sensor reads 370 n. what is the speed of the rider at the top of the loop?

Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t − 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.