Why is the H-R diagram useful in plotting the life cycles of stars?

Gravity causes___ objects to accelerate

You should be able to use the speed of our fastest interplanetary spacecraft, and calculate the time in Days, it would take to travel to the planet Mars. For our purposes, this means you would need to travel 58 Million Kilometers.

If a conductor wire gets heated. What happens with its resistance?

Which stage of star development comes right after the long stable phase in the life cycle

If the total number of earthquakes annually averages 14,500 approximately how many are magnitude 5 or higher? and show work.

Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the 5.0 kg cart repels one way with a velocity of 0.12 m/s. The 2.0 kg cart goes the other way. At what velocity does it travel?

A bowling ball has a mass of 7.2 kg and a weight of 70.6 N. It moves down the bowling alley at 1 m/s and strikes a pin with a force of 15.0 N. What is the force that the pin exerts on the bowling ball?

an electric clothes dryer has a resictance of 16 Ohms it drawes 15 A of current what is the voltage in volts of the wall outlet that it is pluged into

A lorry with a mass of 5000kg accelerates to overtake a caravan on the motorway. Its acceleration is 1.5m/s². What force must the engine be providing? You can ignore the effects of friction and air resistance

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball