The average speed of a runner in a 400.-meter race is 8.0 meters per second. how long did it take the runner to complete the race?

Which of the following statements is an example of absolute time? Evan is older than James. This car is older than that one. Bobby is exactly three years old today. Emily is the youngest of all four children.

Instruction Active Calculating Electric Potential What is the electric potential of a 2.2 C charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k=8.99 x 10ºN.

Which type of wave requires a material medium through which to travel? (1) sound (3) television (2) radio (4) x ray

suppose you had two socks sticking together in the clothes dryer from static electricity. what happens if they are spun gently?

Explain in detail the birth life and death of a main sequence star give an example

Find the unbalanced force required to accelerate a 6kg mass at 3ms

A bus travels 300 km south along a straight path with an average velocity of 85 km/h to the south. The bus stops for 22 minutes. Then it travels 220 km south with an average velocity of 78 km/h to the south.

In what way does varying the length of the string change the vibration

A 1200 kg car moving at 7.8 m/s collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?

Which have more kinetic energy a 100g ball, a 200g ball, or a 500g ball explain