Which of these waves cannot travel in a vacuum? electromagnetic wave

sound wave

microwave

light wave

The level of closeness between a measured quantity and the actual or standard value is called what?

The Hubble Space Telescope (HST) orbits 569 km above Earth's surface. Given that Earth's mass is 5.97 * 1024 kg and its radius is 6.38 * 106 m, what is HST's tangential speed?

What are examples of chemical energy

T one end of a production line, Isaac puts peaches into cans on a conveyor belt. He fills 22 cans per minute. As soon as Isaac has filled 655 cans on the conveyor belt, Albert starts putting lids on the cans at the other end of the production line.

Describe in your own words, What is insulation?

A box is at rest on a table. What can you say about the forces acting on the box? The upward ___ and the downward___ are balanced Applied force Frictional force Normal force Drag force Gravitational force Tension

When the sun warms the sidewalk on a hot sunny day, what type of energy conversion occurs?

Which statements about acceleration are true? Check all that apply. A. is the symbol used for acceleration. B. The SI units for acceleration are m/s. C. Acceleration is a scalar quantity. D. Acceleration is calculated with the equation.

What is the acceleration due to gravity on Mars? a. 9.8 m/s2 c. 12.2 m/s 2 b. 3.7 m/s2 d. 0.3 m/s2

What two pieces of information do you need to know to get from one location to another?