When discussing how charges interact, we can say that a. like charges are attracted. b. negative charges attract negative charges. c. positive charges attract positive charges. d. unlike charges are attracted.

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

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

What is the speed of an object at a given moment?