What is necessary to accelerate a 70-kg object at a rate of 4.2m/s2?

Which best explains why an electric toaster is considered a resistor? A. It increases the flow of electrons. B. It acts as a conductor. C. It converts electric energy to another form of energy. D. It creates an increase in voltage within the current.

Augie created this chart about the two kinds of waves. Which best labels the chart? Title 1 is "Longitudinal Waves," and Title 2 is "Transverse Waves." Title 1 is "Transverse Waves," and Title 2 is "Longitudinal Waves.

A group of lions is chasing a zebra. The lions are most likely responding to which kind of stimulus

When the nanocrystalline semiconductor samples provided in case study are irradiated with violet light, you should observe that different samples emit different colors of light.

Which option is the most accurate description of speed? a. the ball rolled down the hill in five seconds to reach the marker. b. the ball rolled down the five meter hill in five seconds. c.

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?