How many days a week should ab children an teenagers get 60 minutes of physical activity

7. The slope of a line on a distance-time graph represents A distance B time C displacement D speed

What is tendonitis? a. inflammation of the tendon c. tear in the tendon b. overstretched tendon d. none of the above

Explain why the vapor pressure of molecules doubles or triples for every 10

A ball took 0.45s to hit the ground 0.72m from the table. What was the horizontal velocity of the ball as it rolled off the table?

How to find resistance from power and Voltage?

Explain why your weight would be less in the moon than on earth even though your mass would not change. Use the law of universal gravitation in your explanation.

ions are atoms or groups of atoms that have a positive or negative charge. which of the following statements is true of ions?

1. According to the nebular theory, the solar system formed from? A. accretion of protoplanets. B. a large, thin cloud of dust and gas. C. colliding planetesimals. D. all of the above 2.

What is the difference between tangential acceleration and centripetal acceleration?

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?