A spaceship, 200 m long as seen on board, moves by the Earth at 0.970c0.970c. What is its length as measured by an Earth-bound observer

Aregular polygon has angkes of size 150° each.how many side has the polygon

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2