An element's atomic number is 48. How many electrons would an atom of this element have?

When you jump upward, your hang time is the time your feet are off the ground. Does hang time depend on the vertical component of velocity when you jump, the horizontal component of velocity, or both? 1. Both components 2.

A machine launches a tennis ball at an angle of 25° above the horizontal at a speed of 14 meters per second. The ball returns to level ground. Which combination of changes must produce an increase in time of flight of a second launch? A.

Who has better reflexes

During a Spring/Fall Equinox, where on Earth is being directly hit by the light?

A lead mass is heated and placed in a foam cup calorimeter containing 50.0 ml of water at 18.0°c. the water reaches a temperature of 20.0°c. how much heat was released by the lead?

4. How does an increase in orbital radius affect average orbital speed

What happens when a plastic lid sprinkled with iron filings is placed over a magnet?

A stuntman drives a car with a mass of 1500 kg on a drawbridge. The car accelerates with a constant force of 10,000 N. While he is driving, the drawbridge is raised to an incline of 30°.

In this channel of communication, messages are carried by sound and light waves. a. teleconference b. face-to-face c. voicemail d. hard copy memos

Cardiovascular exercise can