Aradar antenna is tracking a satellite orbiting the earth. at a certain time, the radar screen shows the satellite to be 118 km away. the radar antenna is pointing upward at an angle of 58.9° above the ground. find (a) the x and (b) the y components (in km) of the position vector of the satellite, relative to the antenna.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.