A white-blue star is hotter than a red star. T or F

When recording video footage, the camera needs to move horizontally along side a building. what type of movement is this?

Which of the following is true of a nerve cell and a muscle cell? A. They both perform the same function. B. They came from one original fertilized cell. C. They both have the same structure. D. They have nothing in common.

A penny has a mass of 2.50 g, a diameter of 19.55 mm, and a thickness of 1.55 mm. Calculate the density of the material from which the penny is made.

Calculate the average speed (in km/hr) of Charlie whonruns to the store 4 km away in 30 minutes

9. A jet plane lands with a velocity of 200m/s and can decelerate at a maximum rate of 10.0m/s2 as it comes to rest.

A 160 kilogram cannon fires a 30 kilogram cannonball with a speed of 45 m/s at an angle of 30 degrees with the horizontal. In what direction and at what speed does the cannon recoil?

A student uses an indicator to measure the pH of a solution. The indicator shows a pH of 7. What must be true of this solution? The solution contains neither hydronium ions nor hydroxide ions.

What is the purpose of a valve?

A particle travels 15 times around a 10-cm radius circle in 42 seconds. what is the average speed (in m/s) of the particle?

Where are the magnetic fields stronger near a bar magnet? A) Top B) Center C) Ends D) Bottom