An automobile engine develops a torque of 280 NxM at 3800 rpm. What is the power in watts and horsepower?

A well-insulated electric water heater warms 125 kg of water from 20.0° C to 53.0° C in 29.0 min. Find the resistance of its heating element, which is connected across a 240-V potential difference.

Where do cells get the chemicals needed to synthesize other molecules? it is transcribed by the messenger RNA they "borrow" it from the DNA from the food they take in from H2O

The mixture you separated was mixture of iron filings, sand, and salt. Based on your understanding of matter, is this mixture a homogeneous mixture or heterogeneous mixture? How do you know?

Who first landed on the moon?

This should be correct

Which of the following methods of improving air quality does not require advanced technology?

When two waves with the same amplitude overlap so that a crest lines up with a trough, the resulting wave ...

Suppose the Sun suddenly stopped emitting light. How long would it take, in seconds, for the Sun's light to disappear on Earth? (Hint: The Sun is an average of 150 million km from Earth).

Do you think companies should be required to disclose ingredients in their chemicals if there are environmental concerns. Explain why or why not. Use at least three pieces of evidence.

We expect a car's highway gas mileage to be related to its city gas mileage (in mpg). Data for all 1209 vehicles in the government's 2016 Fuel Economy Guide gives the regression line highway mpg=7.903 + (0.