Choose the correct term for the definition - property that leads to electromagnetic interactions.

A. Semiconductor B. Electric charge C. Electrical conductor. D. Electrical insulator

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)