Ayoung hockey player on frictionless ice shoots a 1 kg hockey puck 150 m/s toward the goal. of the hockey player slides backward at 3m/sec what is his mass?

Based on the figures as marked, /\rqs = —

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?