What are the SI base units

What physics concept underlies these three observations? When passing an oncoming truck on the highway, your car tends to sway toward the truck. The canvas roof of a convertible automobile bulges upward when the car is traveling at high speeds.

A set of pulleys is used to raise a 200 N crate 5 m. to fo this the operator applies a force of 50 N and pulls in 25 m of rope. Find the efficiency of the pulley system. A: 50% B: 62.5% C: 75% D: 80%

Atomic structure refers to the building of compounds true or false

Friction changes energy of motion into heat. what are examples of this type of energy transfer?

The pressure of air in your house can stay constant during the day if the temperature rises. Let the temperatures be 295 K during the day, and 288 K at night, and volume of the house be 900 m3.

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

The difference between the third and fourth ionization energies of scandium is much larger than the difference between the third and fourth ionization energies of titanium. why?

One of the longer sides of a kite is 39 feet. one of the shorter sides is 25 feet. half the length of the shorter diagonal is 15 feet. what is the area of the kite?

The radius of the merry-go-round is 10 meters. The Chile has a mass of 40 kilograms. What is the child's moment of inertia

Of the waves listed, the one with the longest wavelength is a (n) a. X ray. b. radio wave. c. microwave. d. visible light wave.