If jack was traveling north 120 miles and it took him 3 hours to get there. what is the velocity that jack was traveling? is this a scalar or vector

Consider three plastic balls (A, B, and C), each carrying a uniformly distributed charge equal to either + Q, - Q or zero, and an uncharged copper ball (D).

Which of the following is an example of convection? the rays of the Sun warming the earth a hot oven warming the air around it a hot object transferring heat to a cooler one hot air rising and cooler air falling

Why are hot springs and geysers is found in areas of present or a past activity

Four students want to know the most accurate way to measure the speed of a wave. The method their professor uses has a percent error of 3.68%. Each student tests a different method and writes the result in the chart below.

A pitcher exerts 100.0 N of force on a ball with a velocity of 45 m/s. What is the pitcher's power?

Two particles with the same charge will repel each other. True or false

your friend is bragging about his motorcycle. he claims that it can go from a stop in position to 50 mph in three seconds. He is describing the motorcycles

How many substances/elements are on the periodic table?

You are pulling a 80 kg box with a rope. The force you exert on the box is 90 N at 30 degrees from the ground. What would be the coefficient of kinetic friction if the box is moving at constant velocity?

If you wanted to calculate the density of a baseball and you knew its mass and volume you would need the density formula and a (n) - A. calculator B. triple-beam balance, the formula for the volume of a sphere and a calculator. C.