Calculate the force of gravity on a 4 kg mass at Earth's surface. The mass of the Earth is 6 x 1024 kg and its radius is

6.4 x 106 m. Do not use scientific notation. Round to a whole number (no decimal).

Electric charges of the opposite sign exert no force on each other. attract each other. repel each other. repel and attract each other. repel and attract each other depending on the magnitude of the charges.

Two rods are made from materials that have different Young's moduli. The rods are constructed to have the same length and same cross-sectional area. The same force is hung from the end of each rod.

Which of these is a source for particulate matter in the air? a. automobiles b. dust c. fires d. all of the above

All meridians converge at

A 1.20 g sample of an unknown has a volume of 1.73 cm what is the density of the unknown

What are the two scales people use to measure temputuer

A person driving her car at 48 km/h approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 s before turning to red, and she is 30 m away from the near side of the intersection (Fig. 2-29).

Michael wanted to measure the temperature of an object. Which SI unit should he use? a. milliliter b. kilogram c. Fahrenheit d. Kelvin

Who descover gravity and when?

What is the magnitude of the angular acceleration of the salad spinner as it slows down?