100 POINTS!! Please help A girl places a stick at an angle of 60.0° against a flat rock on a frozen pond. She pushes at
an angle and moves the rock horizontally for 2.00 m across the pond at a velocity of 4.00 m/s
and a power of 160.0 W. What force did she apply to the stick? How much work did she do?
Your response should include all of your work and a free-body diagram.

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?