The table re[resents the forces on four objects, with directions.

Object F1 ↑ F2 → F3 ← F4 ↓

W 30 N 20 N 20 N 30 N

X 15 N 35 N 25 N 15 N

Y 60 N 0 N 0 N 60 N

Z 45 N 0 N 22 N 45 N

Which best explains the forces acting on the objects?

A car moving at 50 km/h skids 15 m with locked brakes. How far will the car skid with locked brakes at 150 km/h

A satellite travels around the Earth in a circular orbit. What is true about the forces acting in this situation? A. The resultant force is the same direction as the satellite's acceleration. B.

A weather map shows a high pressure system with circles around it. What does this mean? A) Areas Of Equal Altitude. B) Areas Of Equal Pressure. C) An Occluded Front. D) A Stationary Front

What are some alternatives to vaccines?

The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency,? 0 ν0. Find the minimum energy needed to eject electrons from a metal with a threshold frequency of 4.23 * 10 14 s1. 4.23*1014 s-1.

Which of the following statements about Em waves is true? A. Em waves all have the same speed B. Em waves all have the same wavelength C. Em waves only travel through water D. Em waves all have the same amount of energy

A teacher has asked four students to state a scientific theory. Which student is correct?

What are the two main currents that affect the US on the east and west coast?

What role do volcanoes play in the flow of energy and cycling of matter on earth?

How does uniform linear motion differ from uniform circular motion?