A car travels at an average speed of 79.2 km/h for 1.00 h and then at an average speed of 43.2 km/h during a second hour. what is the car's average speed during the 2.00 h interval?

It takes 15 minutes to walk to the mall from your house at an average velocity of 1.1 m/s to the east. What is the displacement from your house to the mall?

Chayse is working on analyzing the electromagnetic spectrum, focusing on ultraviolet rays. He determines that a UV ray has a frequency of 1.53 * 1016 Hz and a wavelength of 1.96 * 10-8 m. Are his results reasonable? Explain your answer.

What is the angle of refraction rounded to the nearest whole number?

Which has a larger volume: 2g aluminum or 2g water?

A block of mass m = 0.775 kg is fastened to an unstrained horizontal spring whose spring constant is k = 83.6 N/m. The block is given a displacement of + 0.

When washing tableware in a three-compartment sink, the water should be at least

In what sense are telescopes like time machines?

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

A satellite has a mass of 6124 kg and is in a circular orbit 4.64 * 105 m above the surface of a planet. the period of the orbit is 1.7 hours. the radius of the planet is 4.42 * 106 m.

A weightlifter Lifes a 100 kg barbell from the floor to a height of 2.00 m in 1.50 seconds. find the power he generates (use G=10 N/KG)