a mass of 20 g of ice at 75 degrees Celsius is taken from a freezer and placed in a beaker containing 200 gram of water at 26 degrees Celsius calculate the amount of thermal energy needed to convert all at 15 degree Celcius to water at 0 degree Celsius

The harmonic motion of a particle is given by f(t) = 2 cos(3t) + 3 sin(2t), 0 ? t ? 8. (a) when is the position function decreasing? (round you

Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?

Acar travels 40m in 8 seconds find the car speed