A helicopter flies 250 km on a straight path in a direction 60° south of east. The east component of the helicopter's displacement is

What are the most common shapes of lunar craters, and why?

the initial velocityof a particle along x axis is u at t=0 x=0 and its acceleration is given by a = 2x then whats the correct equation for v^2 = u^2 + 2as

A container filled with gas has a volume of 185 mL and a pressure of 310 mm Hg. The desired new volume is 74.0 mL. What is the required new pressure?

Which statement best answers the question, "Why is copper a good conductor of electricity?"?

Describe the core-mantle-crust structures of the terrestrial worlds. What is differentiation? What do we mean by the lithosphere? How does lithospheric thickness vary among the five terrestrial worlds?

In an experiment, all participants receive a treatment but those in the control group recieves a false treatments

When the volume increased, what happened to the density?

8. Chemical weathering occurs more rapidly in what kind of climates? A. Desertlike B. Cold with high snowfall amounts C. Cool and dry D. Warm with abundant rainfall

Recoil is noticeable if we throw a heavy ball while standing on a skateboard. If instead we go through the throwing motion but hold onto the ball, without friction effects our net recoil will be A) zero. B) the same as before.

If an electromagnet is used to pick up nails and other metal objects, what happens when the current is turned off?