An astronaut a long way from Earth takes a 500 g mass attaches a 1.5 m string to it and spins it around his head at a rate of 2 times a second. A. What is the speed of the mass?

B. What is the tension in the string?

Would corn syrup, molasses, or pancake syrup make a good lubricant in a car engine? explain your answer.

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.