27. Suppose two stars are located in region A of the H-R diagram shown in the figure below. Star X appears much dimmer than star Y as see from Earth. Which star can be inferred to be nearer to Earth, and how do you know?

What are the 8 steps of the scientific method, in order?

Mike pushes a box with a force of 30 N forward, but the box resists with a force of 10N in the other direction. what is the net force? are the forces balanced or unbalanced? What will happen to the motion of the box?

What happens if penny is dropped from a height of 20 meters? It changes direction every 9.8 meters the force of gravity causes it to accelerate the falls at a constant velocity it's mass doubles every second it Falls

Consider a cylindrical nickel wire 1.6 mm in diameter and 2.5 * 104 mm long. Calculate its elongation when a load of 320 N is applied.

How are streams and rivers agents of erosion?

An impala is an African antelope capable of a remarkable vertical leap. In one recorded leap, a 45 kg impala went into a deep crouch, pushed straight up for 0.21 s, and reached a height of 2.5 m above the ground.

The metric unit of force is the Newton (N), which is kg∙m/s^2. Convert 10 mg∙cm/s^2 to Newtons. Be careful when working with units. A. 1 x 10^-2 N B. 1 x 10^-5 N C. 1 x 10^-6 N D. 1 x 10^-7 N

Which of the following aspects of the environmental movement addresses the public's right to intervene in environmentally damaging activities on private land?

A mine elevator is supported by a single steel cable 0.0125 m in diameter. The total mass of the elevator cage and occupants is 6450 kg. By how much does the cable stretch when the elevator hangs by 362 m of cable? (Neglect the mass of the cable.

What scientific practice is this? 1) collecting data 2) asking a question 3) providing explanations 4) communicating results