*
Without heat you would be
hot
warm
none of these
cold

How does an observation about an object differ from an inference about that object

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.

The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c